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Rational number

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7528: 27: 3494: 5437: 8241: 5456:, such that any grid point corresponds to a rational number. This method, however, exhibits a form of redundancy, as several different grid points will correspond to the same rational number; these are highlighted in red on the provided graphic. An obvious example can be seen in the line going diagonally towards the bottom right; such ratios will always equal 1, as any 4960: 4752: 5032:
other than the identity. (A field automorphism must fix 0 and 1; as it must fix the sum and the difference of two fixed elements, it must fix every integer; as it must fix the quotient of two fixed elements, it must fix every rational number, and is thus the identity.)
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On the other hand, if either denominator is negative, then each fraction with a negative denominator must first be converted into an equivalent form with a positive denominator—by changing the signs of both its numerator and denominator.
3885: 4019: 2198: 6055: 4123: 3723: 666: 4955:{\displaystyle {\begin{aligned}&(n_{1}n_{2}>0\quad {\text{and}}\quad m_{1}n_{2}\leq n_{1}m_{2})\\&\qquad {\text{or}}\\&(n_{1}n_{2}<0\quad {\text{and}}\quad m_{1}n_{2}\geq n_{1}m_{2}).\end{aligned}}} 2673: 5415: 2495: 2408: 1729: 3570: 1641: 1547: 4741: 1991: 4356: 1847: 4757: 2585: 3399: 3304: 5311: 1422: 1319: 1241: 2825: 2754: 4425: 4282: 6213: 6132: 321: 6344: 3447: 2104: 6255: 3212: 4662: 4178: 3171: 2532: 2338: 1191: 1124: 1062: 6545: 6507: 6469: 6431: 6393: 5954: 5862: 4459: 3130: 3063: 2852: 2707: 2298: 2265: 2232: 2058: 2025: 1917: 1881: 1775: 700: 275: 224: 7738: 5474:
As the set of all rational numbers is countable, and the set of all real numbers (as well as the set of irrational numbers) is uncountable, the set of rational numbers is a
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may be a polynomial with rational coefficients, although the term "polynomial over the rationals" is generally preferred, to avoid confusion between "
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set: between any two rationals, there sits another one, and, therefore, infinitely many other ones. For example, for any two fractions such that
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that has no subfield other than itself, and is the smallest ordered field, in the sense that every ordered field contains a unique subfield
2347: 1668: 7348: 5502:; every real number has rational numbers arbitrarily close to it. A related property is that rational numbers are the only numbers with 3521: 1571: 1477: 8277: 4678: 7064: 1935: 7564: 4293: 1793: 4127:
equipped with the addition and the multiplication induced by the above operations. (This construction can be carried out with any
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is a rational expression and defines a rational function, even if its coefficients are not rational numbers). However, a
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of two integers. In mathematics, "rational" is often used as a noun abbreviating "rational number". The adjective
8338: 8126: 7422: 7341: 8204: 2774: 8270: 426: 8358: 8087: 7314: 2716: 4367: 4224: 731:, and is contained in any field containing the integers. In other words, the field of rational numbers is a 8343: 7557: 4588: 994:"avoided heresy by forbidding themselves from thinking of those lengths as numbers". So such lengths were 6177: 6066: 981:, which was first used in 1551, and it was used in "translations of Euclid (following his peculiar use of 7713: 7436: 7309: 6678: 5453: 283: 3409: 3017:{\displaystyle a_{0}+{\cfrac {1}{a_{1}+{\cfrac {1}{a_{2}+{\cfrac {1}{\ddots +{\cfrac {1}{a_{n}}}}}}}}},} 2067: 7334: 6228: 5653: 5463:
It is possible to generate all of the rational numbers without such redundancies: examples include the
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of all rational numbers, together with the addition and multiplication operations shown above, forms a
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a curve defined over the rationals, but a curve which can be parameterized by rational functions.
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Any two countable densely ordered sets without endpoints are isomorphic - a formal proof with KIV
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may be defined on the rational numbers, that extends the natural order of the integers. One has
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In addition to the absolute value metric mentioned above, there are other metrics which turn
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set which is countable, dense (in the above sense), and has no least or greatest element is
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If both denominators are positive (particularly if both fractions are in canonical form):
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If both fractions are in canonical form, the result is in canonical form if and only if
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If both fractions are in canonical form, the result is in canonical form if and only if
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of the real numbers. The real numbers can be constructed from the rational numbers by
8216: 8179: 8143: 8082: 8068: 7763: 7743: 7527: 7513: 7504: 7495: 7393: 7368: 7247: 7217: 7147: 6938: 6909: 6830: 6807: 6777: 6750: 6662: 6633: 6323: 5634: 5533: 5425: 5227: 3880:{\displaystyle (m_{1},n_{1})+(m_{2},n_{2})\equiv (m_{1}n_{2}+n_{1}m_{2},n_{1}n_{2}),} 3502: 3348: 3181: 3177: 991: 915: 911: 774: 514: 437: 398: 386: 326: 6855: 8234: 8163: 8138: 8072: 7981: 7947: 7788: 7758: 7680: 7583: 7490: 7485: 7480: 7475: 7470: 7403: 7388: 7357: 7321: 6708: 6671: 6591: 6576: 5483: 5457: 5260: 1780: 1651: 1557: 1075: 973:
for qualifying numbers appeared almost a century earlier, in 1570. This meaning of
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zero. Every field of characteristic zero contains a unique subfield isomorphic to
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A diagram showing a representation of the equivalent classes of pairs of integers
3098: 823: 740: 499: 390: 348: 144: 86: 7246:(2nd, illustrated ed.). Springer Science & Business Media. p. 26. 4014:{\displaystyle (m_{1},n_{1})\times (m_{2},n_{2})\equiv (m_{1}m_{2},n_{1}n_{2}).} 8158: 8148: 8133: 7952: 7820: 7591: 6619: 6519: 6367: 6313: 5649: 5529: 5449: 3451: 1086: 923: 891: 720: 7065:"How a Mathematical Superstition Stultified Algebra for Over a Thousand Years" 4626:
The integers may be considered to be rational numbers identifying the integer
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belong to the same equivalence class (that is are equivalent) if and only if
2193:{\displaystyle {\frac {\,{\dfrac {a}{b}}\,}{\dfrac {c}{d}}}={\frac {ad}{bc}}.} 8332: 8221: 8194: 8103: 7446: 7427: 7417: 6360: 6293: 6218: 5759: 5127: 3136: 969:
with its modern meaning was attested in English about 1660, while the use of
495: 8312: 8302: 8184: 7986: 7456: 7451: 7408: 6569: 6138: 6050:{\displaystyle \left|{\frac {a}{b}}\right|_{p}={\frac {|a|_{p}}{|b|_{p}}}.} 5801: 5661: 5537: 5499: 4055: 3506: 827: 487: 57: 7116: 4118:{\displaystyle (\mathbb {Z} \times (\mathbb {Z} \backslash \{0\}))/\sim ,} 3718:{\displaystyle (m_{1},n_{1})\sim (m_{2},n_{2})\iff m_{1}n_{2}=m_{2}n_{1}.} 3493: 2029:
is in canonical form, then the canonical form of its reciprocal is either
661:{\displaystyle (p_{1},q_{1})\sim (p_{2},q_{2})\iff p_{1}q_{2}=p_{2}q_{1}.} 8010: 7792: 6405: 6318: 5131: 5062: 4669: 3217: 3068: 895: 887: 732: 433: 422: 382: 240: 177: 26: 5637:. The rational numbers are an important example of a space which is not 5532:. The rational numbers, as a subspace of the real numbers, also carry a 2668:{\displaystyle \left({\frac {a}{b}}\right)^{-n}={\frac {b^{n}}{a^{n}}}.} 7991: 7848: 7035: 5522: 5503: 5479: 5410:{\displaystyle {\frac {a}{b}}<{\frac {a+c}{b+d}}<{\frac {c}{d}}.} 2490:{\displaystyle \left({\frac {a}{b}}\right)^{n}={\frac {a^{n}}{b^{n}}}.} 919: 503: 739:
if and only if it contains the rational numbers as a subfield. Finite
5642: 5495: 5445: 815: 233: 7326: 6937:(6th ed.). Belmont, CA: Thomson Brooks/Cole. pp. 243–244. 5436: 2403:{\displaystyle {\frac {ad}{bc}}={\frac {a}{b}}\cdot {\frac {d}{c}}.} 1724:{\displaystyle {\frac {a}{b}}\cdot {\frac {c}{d}}={\frac {ac}{bd}}.} 8255: 8099: 8030: 7876: 6610: 5518: 5514: 5475: 3728:
Addition and multiplication can be defined by the following rules:
716: 402: 189: 115: 6749:(6th ed.). New York, NY: McGraw-Hill. pp. 105, 158–160. 3565:{\displaystyle (\mathbb {Z} \times (\mathbb {Z} \setminus \{0\}))} 1636:{\displaystyle {\frac {a}{b}}-{\frac {c}{d}}={\frac {ad-bc}{bd}}.} 1542:{\displaystyle {\frac {a}{b}}+{\frac {c}{d}}={\frac {ad+bc}{bd}}.} 8297: 7619: 7542: 6481: 5872: 5259:
i.e. the field of roots of rational polynomials, is the field of
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Divine Proportions: Rational Trigonometry to Universal Geometry
185: 5641:. The rationals are characterized topologically as the unique 4351:{\displaystyle {\frac {m_{1}}{n_{1}}}={\frac {m_{2}}{n_{2}}}} 1842:{\displaystyle -\left({\frac {a}{b}}\right)={\frac {-a}{b}}.} 1027:
Every rational number may be expressed in a unique way as an
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All three topologies coincide and turn the rationals into a
7040:"Does rational come from ratio or ratio come from rational" 6553: 6292:
is equivalent to either the usual real absolute value or a
7209: 6776:(illustrated ed.). Courier Corporation. p. 382. 5489: 5440:
Illustration of the countability of the positive rationals
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is in canonical form, the canonical form of the result is
898:(i.e., a point whose coordinates are rational numbers); a 7322:"Rational Number" From MathWorld – A Wolfram Web Resource 7171:. Springer Science & Business Media. p. A.VII.5. 6561: 3485:
are different ways to represent the same rational value.
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can be represented as a finite continued fraction, whose
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is in canonical form, the same is true for its opposite.
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is even. Otherwise, the canonical form of the result is
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The result is in canonical form if the same is true for
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is a rational number, as is every integer (for example,
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Naive height—height of a rational number in lowest term
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Fraction (mathematics) § Arithmetic with fractions
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refers to the fact that a rational number represents a
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The real numbers that are rational are those whose 358: 286: 254: 203: 154: 125: 96: 67: 38: 2831: 7239: 4463:may be represented by infinitely many pairs, since 8047: 7970: 7931: 7893: 7865: 7837: 7809: 7732: 7697: 7664: 7636: 7608: 6908:. India: Oxford University Press. pp. 75–78. 6539: 6501: 6463: 6425: 6387: 6282: 6249: 6207: 6160: 6126: 6049: 5948: 5916: 5856: 5783: 5739: 5680: 5623: 5596: 5517:of the real numbers, the rationals are neither an 5409: 5334: 5305: 5249: 5216: 5180: 5153: 5116: 5088: 5051: 5018: 4986: 4954: 4735: 4656: 4592:. The canonical representative is the unique pair 4575: 4453: 4419: 4350: 4276: 4172: 4117: 4044: 4013: 3879: 3717: 3564: 3474: 3441: 3393: 3338: 3298: 3241: 3206: 3165: 3124: 3057: 3016: 2819: 2748: 2701: 2667: 2580:{\displaystyle \left({\frac {a}{b}}\right)^{0}=1.} 2579: 2526: 2489: 2413: 2402: 2332: 2292: 2259: 2226: 2192: 2098: 2052: 2019: 1985: 1911: 1875: 1841: 1769: 1723: 1635: 1541: 1451: 1416: 1365: 1339: 1313: 1267: 1235: 1195:which is its canonical form as a rational number. 1185: 1118: 1056: 866: 793: 759: 694: 660: 463: 369: 315: 269: 218: 162: 133: 104: 75: 46: 5528:By virtue of their order, the rationals carry an 3394:{\displaystyle 2+{\tfrac {1}{2}}+{\tfrac {1}{6}}} 3299:{\displaystyle 2+{\tfrac {1}{1+{\tfrac {1}{2}}}}} 990:This unusual history originated in the fact that 427:Repeating decimal § Extension to other bases 8330: 7182:Giese, Martin; Schönegge, Arno (December 1995). 7143:Encyclopedic Dictionary of Mathematics, Volume 1 5460:number divided by itself will always equal one. 5306:{\displaystyle {\frac {a}{b}}<{\frac {c}{d}}} 1417:{\displaystyle {\frac {a}{b}}<{\frac {c}{d}}} 1278:If both fractions are in canonical form, then: 19:"Rationals" redirects here. For other uses, see 7216:(2nd, revised ed.). CRC Press. p. 1. 1128:its canonical form may be obtained by dividing 7181: 7011:(2nd ed.). Oxford University Press. 1989. 6984:(2nd ed.). Oxford University Press. 1989. 6961:(2nd ed.). Oxford University Press. 1989. 329:of all rational numbers, also referred to as " 8271: 7558: 7342: 5482:real numbers are irrational, in the sense of 1314:{\displaystyle {\frac {a}{b}}={\frac {c}{d}}} 1236:{\displaystyle {\frac {a}{b}}={\frac {c}{d}}} 7243:A First Course in Discrete Dynamical Systems 6928: 4095: 4089: 3553: 3547: 3308:continued fraction in abbreviated notation: 7146:. London, England: MIT Press. p. 578. 7086:The Nature and Growth of Modern Mathematics 6217:is not complete, and its completion is the 389:either terminates after a finite number of 8278: 8264: 8240: 7565: 7551: 7349: 7335: 6806:. American Mathematical Soc. p. 104. 6531: 6493: 6455: 6417: 6379: 3668: 3664: 2820:{\displaystyle {\tfrac {-b^{n}}{-a^{n}}}.} 611: 607: 8041: 7964: 7925: 7887: 7859: 7831: 7803: 7691: 7658: 7630: 7602: 7088:. Princeton University Press. p. 28. 6747:Discrete Mathematics and its Applications 6533: 6495: 6457: 6419: 6381: 6276: 6234: 6185: 6151: 5777: 5674: 5614: 5240: 5207: 5174: 5144: 5110: 5079: 5045: 5012: 4980: 4586:Each equivalence class contains a unique 4082: 4071: 4038: 3540: 3529: 2150: 2137: 860: 787: 753: 360: 156: 127: 98: 69: 40: 7166: 7139: 7117:"Fraction - Encyclopedia of Mathematics" 6799: 6773:Elements of Pure and Applied Mathematics 5435: 3492: 3092: 1159:can be expressed as the rational number 1150: 494:). Since the set of rational numbers is 25: 7062: 6740: 6738: 5490:Real numbers and topological properties 2749:{\displaystyle {\tfrac {b^{n}}{a^{n}}}} 1022: 8331: 7083: 6922: 4420:{\displaystyle m_{1}n_{2}=m_{2}n_{1}.} 4277:{\displaystyle m_{1}n_{2}=m_{2}n_{1}.} 3488: 977:came from the mathematical meaning of 704:then denotes the equivalence class of 409:). This statement is true not only in 8259: 7546: 7356: 7330: 7269: 7210:Anthony Vazzana; David Garth (2015). 7111: 7109: 7107: 7105: 7103: 7101: 7099: 7097: 7095: 6903: 6899: 6897: 6895: 6853: 6803:The Collected Works of Julia Robinson 6744: 5656:. The rational numbers do not form a 3501:The rational numbers may be built as 890:are rational numbers. For example, a 8285: 7034: 6893: 6891: 6889: 6887: 6885: 6883: 6881: 6879: 6877: 6875: 6769: 6735: 6208:{\displaystyle (\mathbb {Q} ,d_{p})} 6127:{\displaystyle d_{p}(x,y)=|x-y|_{p}} 5604:and this yields a third topology on 3034:are integers. Every rational number 1471:Two fractions are added as follows: 1002:, that is "not to be spoken about" ( 7754:Set-theoretically definable numbers 5444:The set of all rational numbers is 4600:in the equivalence class such that 2124:are nonzero, the division rule is 316:{\displaystyle -5={\tfrac {-5}{1}}} 13: 7725: 7572: 7092: 3442:{\displaystyle 2^{3}\times 3^{-1}} 3077:can be determined by applying the 2099:{\displaystyle {\tfrac {-b}{-a}},} 413:, but also in every other integer 405:of digits over and over (example: 14: 8370: 7297: 6872: 6847: 6250:{\displaystyle \mathbb {Q} _{p}.} 5750: 3544: 3207:{\displaystyle 2.{\overline {6}}} 2832:Continued fraction representation 1657: 498:, and the set of real numbers is 440:. Irrational numbers include the 8239: 7526: 4657:{\displaystyle {\tfrac {n}{1}}.} 4589:canonical representative element 4173:{\displaystyle {\tfrac {m}{n}}.} 4138:The equivalence class of a pair 3166:{\displaystyle 2{\tfrac {2}{3}}} 2527:{\displaystyle {\tfrac {a}{b}}.} 2422:is a non-negative integer, then 2333:{\displaystyle {\tfrac {c}{d}}:} 1662:The rule for multiplication is: 1186:{\displaystyle {\tfrac {n}{1}},} 1119:{\displaystyle {\tfrac {a}{b}},} 1092:Starting from a rational number 1057:{\displaystyle {\tfrac {a}{b}},} 836:Construction of the real numbers 7263: 7233: 7203: 7175: 7160: 7133: 7077: 7056: 7028: 7001: 6540:{\displaystyle :\;\mathbb {N} } 6502:{\displaystyle :\;\mathbb {Z} } 6464:{\displaystyle :\;\mathbb {Q} } 6426:{\displaystyle :\;\mathbb {R} } 6388:{\displaystyle :\;\mathbb {C} } 5949:{\displaystyle {\frac {a}{b}},} 5857:{\displaystyle |a|_{p}=p_{-n},} 5431: 4898: 4892: 4850: 4798: 4792: 4454:{\displaystyle {\tfrac {m}{n}}} 4024:This equivalence relation is a 3125:{\displaystyle {\tfrac {8}{3}}} 3058:{\displaystyle {\tfrac {a}{b}}} 2702:{\displaystyle {\tfrac {a}{b}}} 2414:Exponentiation to integer power 2293:{\displaystyle {\tfrac {a}{b}}} 2260:{\displaystyle {\tfrac {c}{d}}} 2227:{\displaystyle {\tfrac {a}{b}}} 2053:{\displaystyle {\tfrac {b}{a}}} 2020:{\displaystyle {\tfrac {a}{b}}} 1912:{\displaystyle {\tfrac {a}{b}}} 1876:{\displaystyle {\tfrac {a}{b}}} 1770:{\displaystyle {\tfrac {a}{b}}} 715:Rational numbers together with 695:{\displaystyle {\tfrac {p}{q}}} 436:that is not rational is called 341:is usually denoted by boldface 270:{\displaystyle {\tfrac {3}{7}}} 219:{\displaystyle {\tfrac {p}{q}}} 7733:{\displaystyle {\mathcal {P}}} 7063:Coolman, Robert (2016-01-29). 6974: 6951: 6823: 6793: 6763: 6202: 6181: 6114: 6099: 6092: 6080: 6031: 6022: 6009: 6000: 5898: 5889: 5825: 5816: 5733: 5719: 5712: 5700: 5587: 5573: 5566: 5554: 5536:. The rational numbers form a 5100:With the order defined above, 4942: 4863: 4842: 4763: 4621:representation in lowest terms 4101: 4098: 4078: 4067: 4058:by this equivalence relation, 4005: 3959: 3953: 3927: 3921: 3895: 3871: 3802: 3796: 3770: 3764: 3738: 3665: 3661: 3635: 3629: 3603: 3559: 3556: 3536: 3525: 3333: 3315: 3254:using traditional typography: 3236: 3230: 1563: 841: 814:, the rational numbers form a 608: 604: 578: 572: 546: 114:, while rationals include the 1: 8088:Plane-based geometric algebra 7213:Introduction to Number Theory 6728: 6161:{\displaystyle \mathbb {Q} .} 5804:and for any non-zero integer 5624:{\displaystyle \mathbb {Q} .} 5597:{\displaystyle d(x,y)=|x-y|,} 5250:{\displaystyle \mathbb {Q} ,} 5217:{\displaystyle \mathbb {Z} .} 5154:{\displaystyle \mathbb {Q} .} 5089:{\displaystyle \mathbb {Q} .} 4965: 2269:is equivalent to multiplying 1011: 506:real numbers are irrational. 370:{\displaystyle \mathbb {Q} .} 188:that can be expressed as the 8048:{\displaystyle \mathbb {S} } 7971:{\displaystyle \mathbb {C} } 7932:{\displaystyle \mathbb {R} } 7894:{\displaystyle \mathbb {O} } 7866:{\displaystyle \mathbb {H} } 7838:{\displaystyle \mathbb {C} } 7810:{\displaystyle \mathbb {R} } 7698:{\displaystyle \mathbb {A} } 7665:{\displaystyle \mathbb {Q} } 7637:{\displaystyle \mathbb {Z} } 7609:{\displaystyle \mathbb {N} } 7240:Richard A. Holmgren (2012). 6283:{\displaystyle \mathbb {Q} } 6262:states that any non-trivial 5784:{\displaystyle \mathbb {Q} } 5740:{\displaystyle d(x,y)=|x-y|} 5681:{\displaystyle \mathbb {Q} } 5181:{\displaystyle \mathbb {Q} } 5117:{\displaystyle \mathbb {Q} } 5052:{\displaystyle \mathbb {Q} } 5019:{\displaystyle \mathbb {Q} } 4987:{\displaystyle \mathbb {Q} } 4045:{\displaystyle \mathbb {Q} } 3199: 932: 867:{\displaystyle \mathbb {Q} } 794:{\displaystyle \mathbb {Q} } 760:{\displaystyle \mathbb {Q} } 163:{\displaystyle \mathbb {N} } 143:, which in turn include the 134:{\displaystyle \mathbb {Z} } 105:{\displaystyle \mathbb {C} } 85:, which are included in the 76:{\displaystyle \mathbb {R} } 47:{\displaystyle \mathbb {Q} } 7: 7437:Quadratic irrational number 7423:Pisot–Vijayaraghavan number 7310:Encyclopedia of Mathematics 6302: 5508:regular continued fractions 5454:Cartesian coordinate system 3593:is defined on this set by 2115: 1466: 1376: 1198: 1085:. This is often called the 464:{\displaystyle {\sqrt {2}}} 397:), or eventually begins to 10: 8375: 7169:Algebra II: Chapters 4 - 7 6935:Elements of Modern Algebra 5917:{\displaystyle |0|_{p}=0.} 5793:into a topological field: 5757: 2835: 1888:A nonzero rational number 1741: 1734:where the result may be a 1015: 1004: 983: 18: 8293: 8230: 8172: 8098: 8078:Algebra of physical space 8000: 7908: 7779: 7581: 7522: 7364: 7009:Oxford English Dictionary 6982:Oxford English Dictionary 6959:Oxford English Dictionary 6904:Biggs, Norman L. (2002). 5428:to the rational numbers. 4630:with the rational number 3404:prime power decomposition 2846:is an expression such as 2844:finite continued fraction 2108:depending on the sign of 1452:{\displaystyle ad<bc.} 957:. On the contrary, it is 894:is a point with rational 886:sometimes means that the 339:field of rational numbers 21:Rational (disambiguation) 8134:Extended complex numbers 8117:Extended natural numbers 7292: 7140:Sūgakkai, Nihon (1993). 6800:Robinson, Julia (1996). 6266:on the rational numbers 5924:For any rational number 5868:is the highest power of 4623:of the rational number. 4430:Every equivalence class 3574:be the set of the pairs 3216:repeating decimal using 1089:of the rational number. 941:are defined in terms of 850:in reference to the set 509:Rational numbers can be 16:Quotient of two integers 8349:Fractions (mathematics) 6835:Encyclopedia Britannica 6745:Rosen, Kenneth (2007). 5342:are positive), we have 1138:greatest common divisor 906:of rational numbers; a 771:algebraic number fields 381:A rational number is a 8339:Elementary mathematics 8190:Transcendental numbers 8049: 8026:Hyperbolic quaternions 7972: 7933: 7895: 7867: 7839: 7811: 7734: 7699: 7666: 7638: 7610: 7533:Mathematics portal 7121:encyclopediaofmath.org 6627:Dyadic (finite binary) 6541: 6503: 6465: 6427: 6389: 6284: 6251: 6209: 6162: 6128: 6051: 5950: 5918: 5858: 5785: 5741: 5682: 5664:are the completion of 5625: 5598: 5441: 5411: 5336: 5307: 5251: 5218: 5182: 5155: 5118: 5090: 5053: 5020: 4988: 4956: 4737: 4658: 4577: 4455: 4421: 4352: 4278: 4174: 4119: 4054:is the defined as the 4046: 4015: 3881: 3719: 3566: 3498: 3476: 3443: 3395: 3340: 3300: 3243: 3208: 3167: 3126: 3059: 3018: 2821: 2750: 2703: 2669: 2581: 2528: 2491: 2404: 2334: 2294: 2261: 2228: 2194: 2100: 2054: 2021: 1987: 1923:multiplicative inverse 1913: 1877: 1843: 1771: 1746:Every rational number 1725: 1637: 1543: 1453: 1418: 1367: 1341: 1315: 1269: 1237: 1187: 1120: 1058: 868: 795: 761: 696: 662: 465: 371: 317: 271: 220: 173: 164: 135: 106: 77: 48: 8318:Superparticular ratio 8122:Extended real numbers 8050: 7973: 7943:Split-complex numbers 7934: 7896: 7868: 7840: 7812: 7735: 7700: 7676:Constructible numbers 7667: 7639: 7611: 7167:Bourbaki, N. (2003). 7084:Kramer, Edna (1983). 6542: 6504: 6466: 6428: 6390: 6285: 6252: 6210: 6163: 6129: 6052: 5951: 5919: 5859: 5786: 5742: 5683: 5658:complete metric space 5626: 5599: 5439: 5412: 5337: 5308: 5252: 5219: 5183: 5156: 5119: 5091: 5054: 5021: 4989: 4957: 4738: 4659: 4578: 4456: 4422: 4353: 4279: 4175: 4120: 4047: 4016: 3882: 3720: 3567: 3496: 3477: 3444: 3396: 3341: 3301: 3244: 3242:{\displaystyle 2.(6)} 3209: 3168: 3127: 3093:Other representations 3060: 3019: 2822: 2751: 2704: 2670: 2582: 2529: 2492: 2405: 2335: 2295: 2262: 2229: 2195: 2101: 2055: 2022: 1988: 1914: 1878: 1844: 1772: 1726: 1638: 1544: 1454: 1419: 1368: 1342: 1316: 1270: 1268:{\displaystyle ad=bc} 1238: 1188: 1151:Embedding of integers 1121: 1059: 961:that is derived from 869: 812:mathematical analysis 796: 762: 697: 663: 517:of pairs of integers 466: 372: 318: 272: 221: 165: 136: 107: 78: 49: 30:The rational numbers 29: 8359:Sets of real numbers 8154:Supernatural numbers 8064:Multicomplex numbers 8037: 8021:Dual-complex numbers 7960: 7921: 7883: 7855: 7827: 7799: 7781:Composition algebras 7749:Arithmetical numbers 7720: 7687: 7654: 7626: 7598: 7379:Constructible number 6906:Discrete Mathematics 6770:Lass, Harry (2009). 6672:Algebraic irrational 6525: 6487: 6449: 6411: 6373: 6272: 6229: 6178: 6147: 6067: 5965: 5930: 5885: 5812: 5773: 5694: 5670: 5654:totally disconnected 5652:. The space is also 5610: 5548: 5494:The rationals are a 5349: 5320: 5277: 5266:The rationals are a 5236: 5203: 5170: 5140: 5106: 5075: 5041: 5008: 4976: 4753: 4679: 4636: 4470: 4436: 4368: 4294: 4225: 4152: 4064: 4034: 3892: 3735: 3600: 3591:equivalence relation 3522: 3516:More precisely, let 3458: 3410: 3355: 3312: 3258: 3224: 3188: 3145: 3107: 3040: 2853: 2775: 2717: 2684: 2604: 2543: 2506: 2429: 2348: 2312: 2275: 2242: 2209: 2131: 2068: 2035: 2002: 1936: 1894: 1858: 1794: 1752: 1669: 1572: 1478: 1428: 1388: 1351: 1325: 1285: 1247: 1207: 1165: 1098: 1036: 1029:irreducible fraction 1023:Irreducible fraction 856: 783: 749: 677: 543: 536:defined as follows: 534:equivalence relation 451: 407:9/44 = 0.20454545... 356: 284: 252: 201: 152: 123: 94: 65: 56:are included in the 36: 8344:Field (mathematics) 8059:Split-biquaternions 7771:Eisenstein integers 7709:Closed-form numbers 7505:Supersilver ratio ( 7496:Supergolden ratio ( 7270:Weisstein, Eric W. 6854:Weisstein, Eric W. 6819:Extract of page 104 6789:Extract of page 382 6363: 6260:Ostrowski's theorem 5542:absolute difference 5335:{\displaystyle b,d} 4619:. It is called the 4026:congruence relation 3503:equivalence classes 3489:Formal construction 3475:{\displaystyle 3'6} 3079:Euclidean algorithm 2978: 2966: 2952: 2940: 2919: 2907: 2886: 2874: 1783:, often called its 1366:{\displaystyle b=d} 1340:{\displaystyle a=c} 965:: the first use of 912:rational expression 908:rational polynomial 737:characteristic zero 727:which contains the 515:equivalence classes 8217:Profinite integers 8180:Irrational numbers 8045: 7968: 7929: 7891: 7863: 7835: 7807: 7764:Gaussian rationals 7744:Computable numbers 7730: 7695: 7662: 7634: 7606: 7399:Eisenstein integer 7259:Extract of page 26 7191:(Technical report) 6537: 6499: 6461: 6423: 6385: 6359: 6339:Rational data type 6280: 6247: 6222:-adic number field 6205: 6158: 6124: 6047: 5946: 5914: 5854: 5781: 5737: 5678: 5621: 5594: 5442: 5407: 5332: 5303: 5247: 5214: 5192:field of fractions 5178: 5151: 5114: 5086: 5049: 5030:field automorphism 5016: 4984: 4952: 4950: 4733: 4654: 4649: 4573: 4451: 4449: 4417: 4348: 4274: 4170: 4165: 4133:field of fractions 4115: 4042: 4011: 3877: 3715: 3562: 3499: 3472: 3439: 3391: 3389: 3374: 3336: 3296: 3294: 3290: 3252:continued fraction 3239: 3204: 3163: 3161: 3122: 3120: 3055: 3053: 3014: 3007: 3002: 2997: 2992: 2973: 2947: 2914: 2881: 2838:Continued fraction 2817: 2812: 2746: 2744: 2699: 2697: 2665: 2577: 2524: 2519: 2487: 2400: 2330: 2325: 2290: 2288: 2257: 2255: 2224: 2222: 2190: 2161: 2148: 2096: 2091: 2050: 2048: 2017: 2015: 1983: 1925:, also called its 1909: 1907: 1873: 1871: 1839: 1767: 1765: 1736:reducible fraction 1721: 1633: 1539: 1449: 1414: 1363: 1337: 1311: 1265: 1233: 1183: 1178: 1116: 1111: 1054: 1049: 998:, in the sense of 937:Although nowadays 864: 791: 757: 735:, and a field has 692: 690: 658: 461: 367: 335:field of rationals 313: 311: 267: 265: 216: 214: 174: 160: 131: 102: 73: 44: 8326: 8325: 8253: 8252: 8164:Superreal numbers 8144:Levi-Civita field 8139:Hyperreal numbers 8083:Spacetime algebra 8069:Geometric algebra 7982:Bicomplex numbers 7948:Split-quaternions 7789:Division algebras 7759:Gaussian integers 7681:Algebraic numbers 7584:definable numbers 7540: 7539: 7514:Twelfth root of 2 7394:Doubling the cube 7384:Conway's constant 7369:Algebraic integer 7358:Algebraic numbers 7305:"Rational number" 7276:Wolfram MathWorld 7253:978-1-4419-8732-7 7229:Extract of page 1 7223:978-1-4987-1752-6 6929:Gilbert, Jimmie; 6915:978-0-19-871369-2 6860:Wolfram MathWorld 6856:"Rational Number" 6831:"Rational number" 6813:978-0-8218-0575-6 6783:978-0-486-47186-0 6756:978-0-07-288008-3 6726: 6725: 6722: 6721: 6718: 6717: 6714: 6713: 6703: 6702: 6699: 6698: 6695: 6694: 6691: 6690: 6679:Irrational period 6653: 6652: 6649: 6648: 6645: 6644: 6641: 6640: 6634:Repeating decimal 6601: 6600: 6597: 6596: 6592:Negative integers 6586: 6585: 6582: 6581: 6577:Composite numbers 6324:Gaussian rational 6172:The metric space 6042: 5981: 5941: 5690:under the metric 5635:topological field 5534:subspace topology 5469:Stern–Brocot tree 5402: 5389: 5360: 5301: 5288: 5261:algebraic numbers 5228:algebraic closure 4896: 4854: 4796: 4731: 4704: 4648: 4562: 4539: 4526: 4503: 4448: 4346: 4319: 4287:This means that 4164: 4131:and produces its 3582:of integers such 3388: 3373: 3349:Egyptian fraction 3293: 3289: 3202: 3178:repeating decimal 3160: 3119: 3052: 3009: 3004: 2999: 2994: 2977: 2965: 2951: 2939: 2918: 2906: 2885: 2873: 2811: 2743: 2696: 2660: 2620: 2559: 2518: 2482: 2445: 2395: 2382: 2369: 2324: 2287: 2254: 2221: 2185: 2162: 2160: 2147: 2090: 2047: 2014: 1978: 1952: 1906: 1870: 1834: 1812: 1764: 1716: 1693: 1680: 1628: 1596: 1583: 1534: 1502: 1489: 1412: 1399: 1309: 1296: 1231: 1218: 1177: 1110: 1048: 916:rational function 805:algebraic numbers 775:algebraic closure 689: 459: 387:decimal expansion 310: 264: 213: 8366: 8354:Rational numbers 8287:Rational numbers 8280: 8273: 8266: 8257: 8256: 8243: 8242: 8210: 8200: 8112:Cardinal numbers 8073:Clifford algebra 8054: 8052: 8051: 8046: 8044: 8016:Dual quaternions 7977: 7975: 7974: 7969: 7967: 7938: 7936: 7935: 7930: 7928: 7900: 7898: 7897: 7892: 7890: 7872: 7870: 7869: 7864: 7862: 7844: 7842: 7841: 7836: 7834: 7816: 7814: 7813: 7808: 7806: 7739: 7737: 7736: 7731: 7729: 7728: 7704: 7702: 7701: 7696: 7694: 7671: 7669: 7668: 7663: 7661: 7648:Rational numbers 7643: 7641: 7640: 7635: 7633: 7615: 7613: 7612: 7607: 7605: 7567: 7560: 7553: 7544: 7543: 7531: 7530: 7508: 7499: 7491:Square root of 7 7486:Square root of 6 7481:Square root of 5 7476:Square root of 3 7471:Square root of 2 7464: 7460: 7431: 7412: 7404:Gaussian integer 7389:Cyclotomic field 7351: 7344: 7337: 7328: 7327: 7318: 7286: 7285: 7283: 7282: 7267: 7261: 7257: 7237: 7231: 7227: 7207: 7201: 7200: 7198: 7196: 7190: 7179: 7173: 7172: 7164: 7158: 7157: 7137: 7131: 7130: 7128: 7127: 7113: 7090: 7089: 7081: 7075: 7074: 7072: 7071: 7060: 7054: 7053: 7051: 7050: 7032: 7026: 7012: 7005: 6999: 6985: 6978: 6972: 6962: 6955: 6949: 6948: 6926: 6920: 6919: 6901: 6870: 6869: 6867: 6866: 6851: 6845: 6844: 6842: 6841: 6827: 6821: 6817: 6797: 6791: 6787: 6767: 6761: 6760: 6742: 6668: 6667: 6659: 6658: 6616: 6615: 6607: 6606: 6550: 6549: 6546: 6544: 6543: 6538: 6536: 6516: 6515: 6512: 6511: 6508: 6506: 6505: 6500: 6498: 6478: 6477: 6474: 6473: 6470: 6468: 6467: 6462: 6460: 6440: 6439: 6436: 6435: 6432: 6430: 6429: 6424: 6422: 6402: 6401: 6398: 6397: 6394: 6392: 6391: 6386: 6384: 6364: 6358: 6355: 6354: 6351: 6350: 6299:absolute value. 6296: 6291: 6289: 6287: 6286: 6281: 6279: 6258: 6256: 6254: 6253: 6248: 6243: 6242: 6237: 6221: 6216: 6214: 6212: 6211: 6206: 6201: 6200: 6188: 6169: 6167: 6165: 6164: 6159: 6154: 6133: 6131: 6130: 6125: 6123: 6122: 6117: 6102: 6079: 6078: 6056: 6054: 6053: 6048: 6043: 6041: 6040: 6039: 6034: 6025: 6019: 6018: 6017: 6012: 6003: 5997: 5992: 5991: 5986: 5982: 5974: 5957: 5955: 5953: 5952: 5947: 5942: 5934: 5923: 5921: 5920: 5915: 5907: 5906: 5901: 5892: 5881:In addition set 5877: 5871: 5867: 5863: 5861: 5860: 5855: 5850: 5849: 5834: 5833: 5828: 5819: 5807: 5799: 5792: 5790: 5788: 5787: 5782: 5780: 5762: 5746: 5744: 5743: 5738: 5736: 5722: 5689: 5687: 5685: 5684: 5679: 5677: 5646:metrizable space 5632: 5630: 5628: 5627: 5622: 5617: 5603: 5601: 5600: 5595: 5590: 5576: 5484:Lebesgue measure 5465:Calkin–Wilf tree 5426:order isomorphic 5416: 5414: 5413: 5408: 5403: 5395: 5390: 5388: 5377: 5366: 5361: 5353: 5341: 5339: 5338: 5333: 5312: 5310: 5309: 5304: 5302: 5294: 5289: 5281: 5258: 5256: 5254: 5253: 5248: 5243: 5225: 5223: 5221: 5220: 5215: 5210: 5189: 5187: 5185: 5184: 5179: 5177: 5162: 5160: 5158: 5157: 5152: 5147: 5125: 5123: 5121: 5120: 5115: 5113: 5097: 5095: 5093: 5092: 5087: 5082: 5060: 5058: 5056: 5055: 5050: 5048: 5027: 5025: 5023: 5022: 5017: 5015: 4995: 4993: 4991: 4990: 4985: 4983: 4961: 4959: 4958: 4953: 4951: 4941: 4940: 4931: 4930: 4918: 4917: 4908: 4907: 4897: 4894: 4885: 4884: 4875: 4874: 4859: 4855: 4852: 4848: 4841: 4840: 4831: 4830: 4818: 4817: 4808: 4807: 4797: 4794: 4785: 4784: 4775: 4774: 4759: 4742: 4740: 4739: 4734: 4732: 4730: 4729: 4720: 4719: 4710: 4705: 4703: 4702: 4693: 4692: 4683: 4665: 4663: 4661: 4660: 4655: 4650: 4641: 4629: 4618: 4607: 4603: 4599: 4582: 4580: 4579: 4574: 4563: 4561: 4553: 4545: 4540: 4532: 4527: 4525: 4517: 4509: 4504: 4502: 4491: 4480: 4462: 4460: 4458: 4457: 4452: 4450: 4441: 4426: 4424: 4423: 4418: 4413: 4412: 4403: 4402: 4390: 4389: 4380: 4379: 4357: 4355: 4354: 4349: 4347: 4345: 4344: 4335: 4334: 4325: 4320: 4318: 4317: 4308: 4307: 4298: 4283: 4281: 4280: 4275: 4270: 4269: 4260: 4259: 4247: 4246: 4237: 4236: 4217: 4199: 4181: 4179: 4177: 4176: 4171: 4166: 4157: 4145: 4126: 4124: 4122: 4121: 4116: 4108: 4085: 4074: 4053: 4051: 4049: 4048: 4043: 4041: 4020: 4018: 4017: 4012: 4004: 4003: 3994: 3993: 3981: 3980: 3971: 3970: 3952: 3951: 3939: 3938: 3920: 3919: 3907: 3906: 3886: 3884: 3883: 3878: 3870: 3869: 3860: 3859: 3847: 3846: 3837: 3836: 3824: 3823: 3814: 3813: 3795: 3794: 3782: 3781: 3763: 3762: 3750: 3749: 3724: 3722: 3721: 3716: 3711: 3710: 3701: 3700: 3688: 3687: 3678: 3677: 3660: 3659: 3647: 3646: 3628: 3627: 3615: 3614: 3588: 3581: 3573: 3571: 3569: 3568: 3563: 3543: 3532: 3481: 3479: 3478: 3473: 3468: 3448: 3446: 3445: 3440: 3438: 3437: 3422: 3421: 3400: 3398: 3397: 3392: 3390: 3381: 3375: 3366: 3345: 3343: 3342: 3339:{\displaystyle } 3337: 3305: 3303: 3302: 3297: 3295: 3292: 3291: 3282: 3269: 3248: 3246: 3245: 3240: 3213: 3211: 3210: 3205: 3203: 3195: 3174: 3172: 3170: 3169: 3164: 3162: 3153: 3133: 3131: 3129: 3128: 3123: 3121: 3112: 3088: 3076: 3066: 3064: 3062: 3061: 3056: 3054: 3045: 3033: 3023: 3021: 3020: 3015: 3010: 3008: 3006: 3005: 3003: 3001: 3000: 2998: 2996: 2995: 2993: 2991: 2990: 2989: 2974: 2972: 2962: 2948: 2946: 2936: 2931: 2930: 2915: 2913: 2903: 2898: 2897: 2882: 2880: 2870: 2865: 2864: 2828: 2826: 2824: 2823: 2818: 2813: 2810: 2809: 2808: 2795: 2794: 2793: 2780: 2768: 2764: 2757: 2755: 2753: 2752: 2747: 2745: 2742: 2741: 2732: 2731: 2722: 2710: 2708: 2706: 2705: 2700: 2698: 2689: 2674: 2672: 2671: 2666: 2661: 2659: 2658: 2649: 2648: 2639: 2634: 2633: 2625: 2621: 2613: 2596: 2586: 2584: 2583: 2578: 2570: 2569: 2564: 2560: 2552: 2536:In particular, 2535: 2533: 2531: 2530: 2525: 2520: 2511: 2496: 2494: 2493: 2488: 2483: 2481: 2480: 2471: 2470: 2461: 2456: 2455: 2450: 2446: 2438: 2421: 2409: 2407: 2406: 2401: 2396: 2388: 2383: 2375: 2370: 2368: 2360: 2352: 2341: 2339: 2337: 2336: 2331: 2326: 2317: 2301: 2299: 2297: 2296: 2291: 2289: 2280: 2268: 2266: 2264: 2263: 2258: 2256: 2247: 2235: 2233: 2231: 2230: 2225: 2223: 2214: 2199: 2197: 2196: 2191: 2186: 2184: 2176: 2168: 2163: 2153: 2151: 2149: 2140: 2135: 2123: 2111: 2107: 2105: 2103: 2102: 2097: 2092: 2089: 2081: 2073: 2061: 2059: 2057: 2056: 2051: 2049: 2040: 2028: 2026: 2024: 2023: 2018: 2016: 2007: 1992: 1990: 1989: 1984: 1979: 1971: 1966: 1965: 1957: 1953: 1945: 1920: 1918: 1916: 1915: 1910: 1908: 1899: 1884: 1882: 1880: 1879: 1874: 1872: 1863: 1848: 1846: 1845: 1840: 1835: 1830: 1822: 1817: 1813: 1805: 1781:additive inverse 1778: 1776: 1774: 1773: 1768: 1766: 1757: 1730: 1728: 1727: 1722: 1717: 1715: 1707: 1699: 1694: 1686: 1681: 1673: 1652:coprime integers 1649: 1642: 1640: 1639: 1634: 1629: 1627: 1619: 1602: 1597: 1589: 1584: 1576: 1558:coprime integers 1555: 1548: 1546: 1545: 1540: 1535: 1533: 1525: 1508: 1503: 1495: 1490: 1482: 1458: 1456: 1455: 1450: 1423: 1421: 1420: 1415: 1413: 1405: 1400: 1392: 1372: 1370: 1369: 1364: 1346: 1344: 1343: 1338: 1320: 1318: 1317: 1312: 1310: 1302: 1297: 1289: 1274: 1272: 1271: 1266: 1242: 1240: 1239: 1234: 1232: 1224: 1219: 1211: 1194: 1192: 1190: 1189: 1184: 1179: 1170: 1158: 1146: 1135: 1131: 1127: 1125: 1123: 1122: 1117: 1112: 1103: 1084: 1076:coprime integers 1073: 1069: 1065: 1063: 1061: 1060: 1055: 1050: 1041: 1007: 1006: 986: 985: 939:rational numbers 875: 873: 871: 870: 865: 863: 824:Cauchy sequences 803:is the field of 802: 800: 798: 797: 792: 790: 768: 766: 764: 763: 758: 756: 711: 703: 701: 699: 698: 693: 691: 682: 667: 665: 664: 659: 654: 653: 644: 643: 631: 630: 621: 620: 603: 602: 590: 589: 571: 570: 558: 557: 531: 524: 493: 485: 478: 474: 472: 470: 468: 467: 462: 460: 455: 442:square root of 2 408: 401:the same finite 396: 378: 376: 374: 373: 368: 363: 346: 324: 322: 320: 319: 314: 312: 306: 298: 278: 276: 274: 273: 268: 266: 257: 245: 238: 227: 225: 223: 222: 217: 215: 206: 171: 169: 167: 166: 161: 159: 142: 140: 138: 137: 132: 130: 113: 111: 109: 108: 103: 101: 84: 82: 80: 79: 74: 72: 55: 53: 51: 50: 45: 43: 8374: 8373: 8369: 8368: 8367: 8365: 8364: 8363: 8329: 8328: 8327: 8322: 8308:Dyadic rational 8289: 8284: 8254: 8249: 8226: 8205: 8195: 8168: 8159:Surreal numbers 8149:Ordinal numbers 8094: 8040: 8038: 8035: 8034: 7996: 7963: 7961: 7958: 7957: 7955: 7953:Split-octonions 7924: 7922: 7919: 7918: 7910: 7904: 7886: 7884: 7881: 7880: 7858: 7856: 7853: 7852: 7830: 7828: 7825: 7824: 7821:Complex numbers 7802: 7800: 7797: 7796: 7775: 7724: 7723: 7721: 7718: 7717: 7690: 7688: 7685: 7684: 7657: 7655: 7652: 7651: 7629: 7627: 7624: 7623: 7601: 7599: 7596: 7595: 7592:Natural numbers 7577: 7571: 7541: 7536: 7525: 7518: 7506: 7497: 7465: 7462: 7458: 7442:Rational number 7429: 7428:Plastic ratio ( 7410: 7374:Chebyshev nodes 7360: 7355: 7303: 7300: 7295: 7290: 7289: 7280: 7278: 7272:"p-adic Number" 7268: 7264: 7254: 7238: 7234: 7224: 7208: 7204: 7194: 7192: 7188: 7180: 7176: 7165: 7161: 7154: 7138: 7134: 7125: 7123: 7115: 7114: 7093: 7082: 7078: 7069: 7067: 7061: 7057: 7048: 7046: 7033: 7029: 7007: 7006: 7002: 6980: 6979: 6975: 6957: 6956: 6952: 6945: 6927: 6923: 6916: 6902: 6873: 6864: 6862: 6852: 6848: 6839: 6837: 6829: 6828: 6824: 6814: 6798: 6794: 6784: 6768: 6764: 6757: 6743: 6736: 6731: 6532: 6526: 6523: 6522: 6494: 6488: 6485: 6484: 6456: 6450: 6447: 6446: 6418: 6412: 6409: 6408: 6380: 6374: 6371: 6370: 6334:Niven's theorem 6309:Dyadic rational 6305: 6294: 6275: 6273: 6270: 6269: 6267: 6238: 6233: 6232: 6230: 6227: 6226: 6224: 6219: 6196: 6192: 6184: 6179: 6176: 6175: 6173: 6150: 6148: 6145: 6144: 6142: 6118: 6113: 6112: 6098: 6074: 6070: 6068: 6065: 6064: 6035: 6030: 6029: 6021: 6020: 6013: 6008: 6007: 5999: 5998: 5996: 5987: 5973: 5969: 5968: 5966: 5963: 5962: 5933: 5931: 5928: 5927: 5925: 5902: 5897: 5896: 5888: 5886: 5883: 5882: 5875: 5869: 5865: 5842: 5838: 5829: 5824: 5823: 5815: 5813: 5810: 5809: 5805: 5797: 5776: 5774: 5771: 5770: 5768: 5765: 5760: 5756: 5732: 5718: 5695: 5692: 5691: 5673: 5671: 5668: 5667: 5665: 5650:isolated points 5639:locally compact 5613: 5611: 5608: 5607: 5605: 5586: 5572: 5549: 5546: 5545: 5492: 5434: 5422:totally ordered 5394: 5378: 5367: 5365: 5352: 5350: 5347: 5346: 5321: 5318: 5317: 5293: 5280: 5278: 5275: 5274: 5268:densely ordered 5239: 5237: 5234: 5233: 5231: 5206: 5204: 5201: 5200: 5198: 5173: 5171: 5168: 5167: 5165: 5143: 5141: 5138: 5137: 5135: 5109: 5107: 5104: 5103: 5101: 5078: 5076: 5073: 5072: 5070: 5044: 5042: 5039: 5038: 5036: 5011: 5009: 5006: 5005: 5003: 4979: 4977: 4974: 4973: 4971: 4968: 4949: 4948: 4936: 4932: 4926: 4922: 4913: 4909: 4903: 4899: 4893: 4880: 4876: 4870: 4866: 4857: 4856: 4851: 4846: 4845: 4836: 4832: 4826: 4822: 4813: 4809: 4803: 4799: 4793: 4780: 4776: 4770: 4766: 4756: 4754: 4751: 4750: 4725: 4721: 4715: 4711: 4709: 4698: 4694: 4688: 4684: 4682: 4680: 4677: 4676: 4639: 4637: 4634: 4633: 4631: 4627: 4613: 4605: 4601: 4593: 4554: 4546: 4544: 4531: 4518: 4510: 4508: 4492: 4481: 4479: 4471: 4468: 4467: 4439: 4437: 4434: 4433: 4431: 4408: 4404: 4398: 4394: 4385: 4381: 4375: 4371: 4369: 4366: 4365: 4361:if and only if 4340: 4336: 4330: 4326: 4324: 4313: 4309: 4303: 4299: 4297: 4295: 4292: 4291: 4265: 4261: 4255: 4251: 4242: 4238: 4232: 4228: 4226: 4223: 4222: 4215: 4208: 4201: 4197: 4190: 4183: 4155: 4153: 4150: 4149: 4147: 4139: 4129:integral domain 4104: 4081: 4070: 4065: 4062: 4061: 4059: 4037: 4035: 4032: 4031: 4029: 3999: 3995: 3989: 3985: 3976: 3972: 3966: 3962: 3947: 3943: 3934: 3930: 3915: 3911: 3902: 3898: 3893: 3890: 3889: 3865: 3861: 3855: 3851: 3842: 3838: 3832: 3828: 3819: 3815: 3809: 3805: 3790: 3786: 3777: 3773: 3758: 3754: 3745: 3741: 3736: 3733: 3732: 3706: 3702: 3696: 3692: 3683: 3679: 3673: 3669: 3655: 3651: 3642: 3638: 3623: 3619: 3610: 3606: 3601: 3598: 3597: 3583: 3575: 3539: 3528: 3523: 3520: 3519: 3517: 3491: 3461: 3459: 3456: 3455: 3430: 3426: 3417: 3413: 3411: 3408: 3407: 3379: 3364: 3356: 3353: 3352: 3313: 3310: 3309: 3280: 3273: 3267: 3259: 3256: 3255: 3225: 3222: 3221: 3194: 3189: 3186: 3185: 3151: 3146: 3143: 3142: 3140: 3110: 3108: 3105: 3104: 3102: 3099:common fraction 3095: 3082: 3075: 3071: 3043: 3041: 3038: 3037: 3035: 3032: 3028: 2985: 2981: 2980: 2975: 2968: 2963: 2961: 2954: 2949: 2942: 2937: 2935: 2926: 2922: 2921: 2916: 2909: 2904: 2902: 2893: 2889: 2888: 2883: 2876: 2871: 2869: 2860: 2856: 2854: 2851: 2850: 2840: 2834: 2804: 2800: 2796: 2789: 2785: 2781: 2778: 2776: 2773: 2772: 2770: 2766: 2759: 2737: 2733: 2727: 2723: 2720: 2718: 2715: 2714: 2712: 2687: 2685: 2682: 2681: 2679: 2654: 2650: 2644: 2640: 2638: 2626: 2612: 2608: 2607: 2605: 2602: 2601: 2591: 2565: 2551: 2547: 2546: 2544: 2541: 2540: 2509: 2507: 2504: 2503: 2501: 2476: 2472: 2466: 2462: 2460: 2451: 2437: 2433: 2432: 2430: 2427: 2426: 2419: 2416: 2387: 2374: 2361: 2353: 2351: 2349: 2346: 2345: 2315: 2313: 2310: 2309: 2307: 2278: 2276: 2273: 2272: 2270: 2245: 2243: 2240: 2239: 2237: 2212: 2210: 2207: 2206: 2204: 2203:Thus, dividing 2177: 2169: 2167: 2138: 2136: 2134: 2132: 2129: 2128: 2121: 2118: 2109: 2082: 2074: 2071: 2069: 2066: 2065: 2063: 2038: 2036: 2033: 2032: 2030: 2005: 2003: 2000: 1999: 1997: 1970: 1958: 1944: 1940: 1939: 1937: 1934: 1933: 1897: 1895: 1892: 1891: 1889: 1861: 1859: 1856: 1855: 1853: 1823: 1821: 1804: 1800: 1795: 1792: 1791: 1755: 1753: 1750: 1749: 1747: 1744: 1708: 1700: 1698: 1685: 1672: 1670: 1667: 1666: 1660: 1647: 1620: 1603: 1601: 1588: 1575: 1573: 1570: 1569: 1566: 1553: 1526: 1509: 1507: 1494: 1481: 1479: 1476: 1475: 1469: 1429: 1426: 1425: 1424:if and only if 1404: 1391: 1389: 1386: 1385: 1379: 1352: 1349: 1348: 1326: 1323: 1322: 1321:if and only if 1301: 1288: 1286: 1283: 1282: 1248: 1245: 1244: 1243:if and only if 1223: 1210: 1208: 1205: 1204: 1201: 1168: 1166: 1163: 1162: 1160: 1156: 1153: 1141: 1133: 1129: 1101: 1099: 1096: 1095: 1093: 1079: 1071: 1067: 1039: 1037: 1034: 1033: 1031: 1025: 1020: 1014: 935: 900:rational matrix 859: 857: 854: 853: 851: 844: 786: 784: 781: 780: 778: 752: 750: 747: 746: 744: 705: 680: 678: 675: 674: 672: 649: 645: 639: 635: 626: 622: 616: 612: 598: 594: 585: 581: 566: 562: 553: 549: 544: 541: 540: 526: 518: 491: 481: 476: 454: 452: 449: 448: 446: 444: 406: 394: 359: 357: 354: 353: 351: 349:blackboard bold 342: 299: 296: 285: 282: 281: 280: 255: 253: 250: 249: 247: 246:. For example, 243: 239:and a non-zero 236: 204: 202: 199: 198: 196: 182:rational number 155: 153: 150: 149: 147: 145:natural numbers 126: 124: 121: 120: 118: 97: 95: 92: 91: 89: 87:complex numbers 68: 66: 63: 62: 60: 39: 37: 34: 33: 31: 24: 17: 12: 11: 5: 8372: 8362: 8361: 8356: 8351: 8346: 8341: 8324: 8323: 8321: 8320: 8315: 8310: 8305: 8300: 8294: 8291: 8290: 8283: 8282: 8275: 8268: 8260: 8251: 8250: 8248: 8247: 8237: 8235:Classification 8231: 8228: 8227: 8225: 8224: 8222:Normal numbers 8219: 8214: 8192: 8187: 8182: 8176: 8174: 8170: 8169: 8167: 8166: 8161: 8156: 8151: 8146: 8141: 8136: 8131: 8130: 8129: 8119: 8114: 8108: 8106: 8104:infinitesimals 8096: 8095: 8093: 8092: 8091: 8090: 8085: 8080: 8066: 8061: 8056: 8043: 8028: 8023: 8018: 8013: 8007: 8005: 7998: 7997: 7995: 7994: 7989: 7984: 7979: 7966: 7950: 7945: 7940: 7927: 7914: 7912: 7906: 7905: 7903: 7902: 7889: 7874: 7861: 7846: 7833: 7818: 7805: 7785: 7783: 7777: 7776: 7774: 7773: 7768: 7767: 7766: 7756: 7751: 7746: 7741: 7727: 7711: 7706: 7693: 7678: 7673: 7660: 7645: 7632: 7617: 7604: 7588: 7586: 7579: 7578: 7570: 7569: 7562: 7555: 7547: 7538: 7537: 7523: 7520: 7519: 7517: 7516: 7511: 7502: 7493: 7488: 7483: 7478: 7473: 7468: 7461: 7457:Silver ratio ( 7454: 7449: 7444: 7439: 7434: 7425: 7420: 7415: 7409:Golden ratio ( 7406: 7401: 7396: 7391: 7386: 7381: 7376: 7371: 7365: 7362: 7361: 7354: 7353: 7346: 7339: 7331: 7325: 7324: 7319: 7299: 7298:External links 7296: 7294: 7291: 7288: 7287: 7262: 7252: 7232: 7222: 7202: 7174: 7159: 7152: 7132: 7091: 7076: 7055: 7044:Stack Exchange 7038:(2017-05-09). 7027: 7000: 6973: 6950: 6943: 6931:Linda, Gilbert 6921: 6914: 6871: 6846: 6822: 6812: 6792: 6782: 6762: 6755: 6733: 6732: 6730: 6727: 6724: 6723: 6720: 6719: 6716: 6715: 6712: 6711: 6705: 6704: 6701: 6700: 6697: 6696: 6693: 6692: 6689: 6688: 6686:Transcendental 6682: 6681: 6675: 6674: 6665: 6655: 6654: 6651: 6650: 6647: 6646: 6643: 6642: 6639: 6638: 6636: 6630: 6629: 6623: 6622: 6620:Finite decimal 6613: 6603: 6602: 6599: 6598: 6595: 6594: 6588: 6587: 6584: 6583: 6580: 6579: 6573: 6572: 6566: 6565: 6558: 6557: 6547: 6535: 6530: 6509: 6497: 6492: 6471: 6459: 6454: 6433: 6421: 6416: 6395: 6383: 6378: 6361:Number systems 6349: 6348: 6341: 6336: 6331: 6326: 6321: 6316: 6314:Floating point 6311: 6304: 6301: 6278: 6264:absolute value 6246: 6241: 6236: 6204: 6199: 6195: 6191: 6187: 6183: 6157: 6153: 6135: 6134: 6121: 6116: 6111: 6108: 6105: 6101: 6097: 6094: 6091: 6088: 6085: 6082: 6077: 6073: 6058: 6057: 6046: 6038: 6033: 6028: 6024: 6016: 6011: 6006: 6002: 5995: 5990: 5985: 5980: 5977: 5972: 5945: 5940: 5937: 5913: 5910: 5905: 5900: 5895: 5891: 5853: 5848: 5845: 5841: 5837: 5832: 5827: 5822: 5818: 5779: 5758:Main article: 5755: 5749: 5735: 5731: 5728: 5725: 5721: 5717: 5714: 5711: 5708: 5705: 5702: 5699: 5676: 5620: 5616: 5593: 5589: 5585: 5582: 5579: 5575: 5571: 5568: 5565: 5562: 5559: 5556: 5553: 5530:order topology 5506:expansions as 5491: 5488: 5450:square lattice 5433: 5430: 5418: 5417: 5406: 5401: 5398: 5393: 5387: 5384: 5381: 5376: 5373: 5370: 5364: 5359: 5356: 5331: 5328: 5325: 5314: 5313: 5300: 5297: 5292: 5287: 5284: 5246: 5242: 5213: 5209: 5176: 5150: 5146: 5112: 5085: 5081: 5067:characteristic 5047: 5014: 4982: 4967: 4964: 4963: 4962: 4947: 4944: 4939: 4935: 4929: 4925: 4921: 4916: 4912: 4906: 4902: 4891: 4888: 4883: 4879: 4873: 4869: 4865: 4862: 4860: 4858: 4849: 4847: 4844: 4839: 4835: 4829: 4825: 4821: 4816: 4812: 4806: 4802: 4791: 4788: 4783: 4779: 4773: 4769: 4765: 4762: 4760: 4758: 4744: 4743: 4728: 4724: 4718: 4714: 4708: 4701: 4697: 4691: 4687: 4653: 4647: 4644: 4584: 4583: 4572: 4569: 4566: 4560: 4557: 4552: 4549: 4543: 4538: 4535: 4530: 4524: 4521: 4516: 4513: 4507: 4501: 4498: 4495: 4490: 4487: 4484: 4478: 4475: 4447: 4444: 4428: 4427: 4416: 4411: 4407: 4401: 4397: 4393: 4388: 4384: 4378: 4374: 4359: 4358: 4343: 4339: 4333: 4329: 4323: 4316: 4312: 4306: 4302: 4285: 4284: 4273: 4268: 4264: 4258: 4254: 4250: 4245: 4241: 4235: 4231: 4213: 4206: 4195: 4188: 4169: 4163: 4160: 4114: 4111: 4107: 4103: 4100: 4097: 4094: 4091: 4088: 4084: 4080: 4077: 4073: 4069: 4040: 4022: 4021: 4010: 4007: 4002: 3998: 3992: 3988: 3984: 3979: 3975: 3969: 3965: 3961: 3958: 3955: 3950: 3946: 3942: 3937: 3933: 3929: 3926: 3923: 3918: 3914: 3910: 3905: 3901: 3897: 3887: 3876: 3873: 3868: 3864: 3858: 3854: 3850: 3845: 3841: 3835: 3831: 3827: 3822: 3818: 3812: 3808: 3804: 3801: 3798: 3793: 3789: 3785: 3780: 3776: 3772: 3769: 3766: 3761: 3757: 3753: 3748: 3744: 3740: 3726: 3725: 3714: 3709: 3705: 3699: 3695: 3691: 3686: 3682: 3676: 3672: 3667: 3663: 3658: 3654: 3650: 3645: 3641: 3637: 3634: 3631: 3626: 3622: 3618: 3613: 3609: 3605: 3561: 3558: 3555: 3552: 3549: 3546: 3542: 3538: 3535: 3531: 3527: 3490: 3487: 3483: 3482: 3471: 3467: 3464: 3452:quote notation 3449: 3436: 3433: 3429: 3425: 3420: 3416: 3401: 3387: 3384: 3378: 3372: 3369: 3363: 3360: 3346: 3335: 3332: 3329: 3326: 3323: 3320: 3317: 3306: 3288: 3285: 3279: 3276: 3272: 3266: 3263: 3249: 3238: 3235: 3232: 3229: 3214: 3201: 3198: 3193: 3175: 3159: 3156: 3150: 3134: 3118: 3115: 3094: 3091: 3073: 3051: 3048: 3030: 3025: 3024: 3013: 2988: 2984: 2971: 2960: 2957: 2945: 2934: 2929: 2925: 2912: 2901: 2896: 2892: 2879: 2868: 2863: 2859: 2836:Main article: 2833: 2830: 2816: 2807: 2803: 2799: 2792: 2788: 2784: 2740: 2736: 2730: 2726: 2695: 2692: 2676: 2675: 2664: 2657: 2653: 2647: 2643: 2637: 2632: 2629: 2624: 2619: 2616: 2611: 2588: 2587: 2576: 2573: 2568: 2563: 2558: 2555: 2550: 2523: 2517: 2514: 2498: 2497: 2486: 2479: 2475: 2469: 2465: 2459: 2454: 2449: 2444: 2441: 2436: 2415: 2412: 2411: 2410: 2399: 2394: 2391: 2386: 2381: 2378: 2373: 2367: 2364: 2359: 2356: 2329: 2323: 2320: 2286: 2283: 2253: 2250: 2220: 2217: 2201: 2200: 2189: 2183: 2180: 2175: 2172: 2166: 2159: 2156: 2146: 2143: 2117: 2114: 2095: 2088: 2085: 2080: 2077: 2046: 2043: 2013: 2010: 1994: 1993: 1982: 1977: 1974: 1969: 1964: 1961: 1956: 1951: 1948: 1943: 1905: 1902: 1869: 1866: 1850: 1849: 1838: 1833: 1829: 1826: 1820: 1816: 1811: 1808: 1803: 1799: 1763: 1760: 1743: 1740: 1732: 1731: 1720: 1714: 1711: 1706: 1703: 1697: 1692: 1689: 1684: 1679: 1676: 1659: 1658:Multiplication 1656: 1644: 1643: 1632: 1626: 1623: 1618: 1615: 1612: 1609: 1606: 1600: 1595: 1592: 1587: 1582: 1579: 1565: 1562: 1550: 1549: 1538: 1532: 1529: 1524: 1521: 1518: 1515: 1512: 1506: 1501: 1498: 1493: 1488: 1485: 1468: 1465: 1460: 1459: 1448: 1445: 1442: 1439: 1436: 1433: 1411: 1408: 1403: 1398: 1395: 1378: 1375: 1374: 1373: 1362: 1359: 1356: 1336: 1333: 1330: 1308: 1305: 1300: 1295: 1292: 1276: 1275: 1264: 1261: 1258: 1255: 1252: 1230: 1227: 1222: 1217: 1214: 1200: 1197: 1182: 1176: 1173: 1152: 1149: 1115: 1109: 1106: 1087:canonical form 1053: 1047: 1044: 1024: 1021: 1013: 1010: 992:ancient Greeks 934: 931: 924:rational curve 892:rational point 862: 843: 840: 830:, or infinite 789: 755: 721:multiplication 688: 685: 669: 668: 657: 652: 648: 642: 638: 634: 629: 625: 619: 615: 610: 606: 601: 597: 593: 588: 584: 580: 577: 574: 569: 565: 561: 556: 552: 548: 458: 417:, such as the 366: 362: 309: 305: 302: 295: 292: 289: 263: 260: 212: 209: 158: 129: 100: 71: 42: 15: 9: 6: 4: 3: 2: 8371: 8360: 8357: 8355: 8352: 8350: 8347: 8345: 8342: 8340: 8337: 8336: 8334: 8319: 8316: 8314: 8311: 8309: 8306: 8304: 8301: 8299: 8296: 8295: 8292: 8288: 8281: 8276: 8274: 8269: 8267: 8262: 8261: 8258: 8246: 8238: 8236: 8233: 8232: 8229: 8223: 8220: 8218: 8215: 8212: 8208: 8202: 8198: 8193: 8191: 8188: 8186: 8185:Fuzzy numbers 8183: 8181: 8178: 8177: 8175: 8171: 8165: 8162: 8160: 8157: 8155: 8152: 8150: 8147: 8145: 8142: 8140: 8137: 8135: 8132: 8128: 8125: 8124: 8123: 8120: 8118: 8115: 8113: 8110: 8109: 8107: 8105: 8101: 8097: 8089: 8086: 8084: 8081: 8079: 8076: 8075: 8074: 8070: 8067: 8065: 8062: 8060: 8057: 8032: 8029: 8027: 8024: 8022: 8019: 8017: 8014: 8012: 8009: 8008: 8006: 8004: 7999: 7993: 7990: 7988: 7987:Biquaternions 7985: 7983: 7980: 7954: 7951: 7949: 7946: 7944: 7941: 7916: 7915: 7913: 7907: 7878: 7875: 7850: 7847: 7822: 7819: 7794: 7790: 7787: 7786: 7784: 7782: 7778: 7772: 7769: 7765: 7762: 7761: 7760: 7757: 7755: 7752: 7750: 7747: 7745: 7742: 7715: 7712: 7710: 7707: 7682: 7679: 7677: 7674: 7649: 7646: 7621: 7618: 7593: 7590: 7589: 7587: 7585: 7580: 7575: 7568: 7563: 7561: 7556: 7554: 7549: 7548: 7545: 7535: 7534: 7529: 7521: 7515: 7512: 7510: 7503: 7501: 7494: 7492: 7489: 7487: 7484: 7482: 7479: 7477: 7474: 7472: 7469: 7467: 7455: 7453: 7450: 7448: 7447:Root of unity 7445: 7443: 7440: 7438: 7435: 7433: 7426: 7424: 7421: 7419: 7418:Perron number 7416: 7414: 7407: 7405: 7402: 7400: 7397: 7395: 7392: 7390: 7387: 7385: 7382: 7380: 7377: 7375: 7372: 7370: 7367: 7366: 7363: 7359: 7352: 7347: 7345: 7340: 7338: 7333: 7332: 7329: 7323: 7320: 7316: 7312: 7311: 7306: 7302: 7301: 7277: 7273: 7266: 7260: 7255: 7249: 7245: 7244: 7236: 7230: 7225: 7219: 7215: 7214: 7206: 7187: 7186: 7178: 7170: 7163: 7155: 7153:0-2625-9020-4 7149: 7145: 7144: 7136: 7122: 7118: 7112: 7110: 7108: 7106: 7104: 7102: 7100: 7098: 7096: 7087: 7080: 7066: 7059: 7045: 7041: 7037: 7031: 7024: 7020: 7016: 7010: 7004: 6997: 6993: 6989: 6983: 6977: 6970: 6966: 6960: 6954: 6946: 6944:0-534-40264-X 6940: 6936: 6932: 6925: 6917: 6911: 6907: 6900: 6898: 6896: 6894: 6892: 6890: 6888: 6886: 6884: 6882: 6880: 6878: 6876: 6861: 6857: 6850: 6836: 6832: 6826: 6820: 6815: 6809: 6805: 6804: 6796: 6790: 6785: 6779: 6775: 6774: 6766: 6758: 6752: 6748: 6741: 6739: 6734: 6710: 6707: 6706: 6687: 6684: 6683: 6680: 6677: 6676: 6673: 6670: 6669: 6666: 6664: 6661: 6660: 6657: 6656: 6637: 6635: 6632: 6631: 6628: 6625: 6624: 6621: 6618: 6617: 6614: 6612: 6609: 6608: 6605: 6604: 6593: 6590: 6589: 6578: 6575: 6574: 6571: 6570:Prime numbers 6568: 6567: 6563: 6560: 6559: 6555: 6552: 6551: 6548: 6528: 6521: 6518: 6517: 6514: 6513: 6510: 6490: 6483: 6480: 6479: 6476: 6475: 6472: 6452: 6445: 6442: 6441: 6438: 6437: 6434: 6414: 6407: 6404: 6403: 6400: 6399: 6396: 6376: 6369: 6366: 6365: 6362: 6357: 6356: 6353: 6352: 6347: 6346: 6342: 6340: 6337: 6335: 6332: 6330: 6327: 6325: 6322: 6320: 6317: 6315: 6312: 6310: 6307: 6306: 6300: 6298: 6265: 6261: 6244: 6239: 6223: 6197: 6193: 6189: 6170: 6155: 6140: 6119: 6109: 6106: 6103: 6095: 6089: 6086: 6083: 6075: 6071: 6063: 6062: 6061: 6044: 6036: 6026: 6014: 6004: 5993: 5988: 5983: 5978: 5975: 5970: 5961: 5960: 5959: 5943: 5938: 5935: 5911: 5908: 5903: 5893: 5879: 5874: 5851: 5846: 5843: 5839: 5835: 5830: 5820: 5803: 5794: 5764: 5754:-adic numbers 5753: 5748: 5729: 5726: 5723: 5715: 5709: 5706: 5703: 5697: 5663: 5659: 5655: 5651: 5647: 5644: 5640: 5636: 5618: 5591: 5583: 5580: 5577: 5569: 5563: 5560: 5557: 5551: 5543: 5540:by using the 5539: 5535: 5531: 5526: 5524: 5520: 5516: 5513:In the usual 5511: 5509: 5505: 5501: 5497: 5487: 5485: 5481: 5477: 5472: 5470: 5466: 5461: 5459: 5455: 5451: 5447: 5438: 5429: 5427: 5423: 5404: 5399: 5396: 5391: 5385: 5382: 5379: 5374: 5371: 5368: 5362: 5357: 5354: 5345: 5344: 5343: 5329: 5326: 5323: 5298: 5295: 5290: 5285: 5282: 5273: 5272: 5271: 5269: 5264: 5262: 5244: 5229: 5211: 5197: 5193: 5163: 5148: 5133: 5129: 5128:ordered field 5098: 5083: 5068: 5064: 5034: 5031: 5001: 4999: 4945: 4937: 4933: 4927: 4923: 4919: 4914: 4910: 4904: 4900: 4889: 4886: 4881: 4877: 4871: 4867: 4861: 4837: 4833: 4827: 4823: 4819: 4814: 4810: 4804: 4800: 4789: 4786: 4781: 4777: 4771: 4767: 4761: 4749: 4748: 4747: 4726: 4722: 4716: 4712: 4706: 4699: 4695: 4689: 4685: 4675: 4674: 4673: 4671: 4666: 4651: 4645: 4642: 4624: 4622: 4616: 4611: 4597: 4591: 4590: 4570: 4567: 4564: 4558: 4555: 4550: 4547: 4541: 4536: 4533: 4528: 4522: 4519: 4514: 4511: 4505: 4499: 4496: 4493: 4488: 4485: 4482: 4476: 4473: 4466: 4465: 4464: 4445: 4442: 4414: 4409: 4405: 4399: 4395: 4391: 4386: 4382: 4376: 4372: 4364: 4363: 4362: 4341: 4337: 4331: 4327: 4321: 4314: 4310: 4304: 4300: 4290: 4289: 4288: 4271: 4266: 4262: 4256: 4252: 4248: 4243: 4239: 4233: 4229: 4221: 4220: 4219: 4212: 4205: 4194: 4187: 4167: 4161: 4158: 4143: 4136: 4134: 4130: 4112: 4109: 4105: 4092: 4075: 4057: 4027: 4008: 4000: 3996: 3990: 3986: 3982: 3977: 3973: 3967: 3963: 3956: 3948: 3944: 3940: 3935: 3931: 3924: 3916: 3912: 3908: 3903: 3899: 3888: 3874: 3866: 3862: 3856: 3852: 3848: 3843: 3839: 3833: 3829: 3825: 3820: 3816: 3810: 3806: 3799: 3791: 3787: 3783: 3778: 3774: 3767: 3759: 3755: 3751: 3746: 3742: 3731: 3730: 3729: 3712: 3707: 3703: 3697: 3693: 3689: 3684: 3680: 3674: 3670: 3656: 3652: 3648: 3643: 3639: 3632: 3624: 3620: 3616: 3611: 3607: 3596: 3595: 3594: 3592: 3586: 3579: 3550: 3533: 3514: 3512: 3508: 3507:ordered pairs 3504: 3495: 3486: 3469: 3465: 3462: 3453: 3450: 3434: 3431: 3427: 3423: 3418: 3414: 3405: 3402: 3385: 3382: 3376: 3370: 3367: 3361: 3358: 3350: 3347: 3330: 3327: 3324: 3321: 3318: 3307: 3286: 3283: 3277: 3274: 3270: 3264: 3261: 3253: 3250: 3233: 3227: 3219: 3215: 3196: 3191: 3183: 3179: 3176: 3157: 3154: 3148: 3138: 3137:mixed numeral 3135: 3116: 3113: 3100: 3097: 3096: 3090: 3086: 3080: 3070: 3049: 3046: 3011: 2986: 2982: 2969: 2958: 2955: 2943: 2932: 2927: 2923: 2910: 2899: 2894: 2890: 2877: 2866: 2861: 2857: 2849: 2848: 2847: 2845: 2839: 2829: 2814: 2805: 2801: 2797: 2790: 2786: 2782: 2762: 2738: 2734: 2728: 2724: 2693: 2690: 2662: 2655: 2651: 2645: 2641: 2635: 2630: 2627: 2622: 2617: 2614: 2609: 2600: 2599: 2598: 2594: 2574: 2571: 2566: 2561: 2556: 2553: 2548: 2539: 2538: 2537: 2521: 2515: 2512: 2484: 2477: 2473: 2467: 2463: 2457: 2452: 2447: 2442: 2439: 2434: 2425: 2424: 2423: 2397: 2392: 2389: 2384: 2379: 2376: 2371: 2365: 2362: 2357: 2354: 2344: 2343: 2342: 2327: 2321: 2318: 2305: 2284: 2281: 2251: 2248: 2218: 2215: 2187: 2181: 2178: 2173: 2170: 2164: 2157: 2154: 2144: 2141: 2127: 2126: 2125: 2113: 2093: 2086: 2083: 2078: 2075: 2044: 2041: 2011: 2008: 1980: 1975: 1972: 1967: 1962: 1959: 1954: 1949: 1946: 1941: 1932: 1931: 1930: 1928: 1924: 1903: 1900: 1886: 1867: 1864: 1836: 1831: 1827: 1824: 1818: 1814: 1809: 1806: 1801: 1797: 1790: 1789: 1788: 1786: 1782: 1761: 1758: 1739: 1737: 1718: 1712: 1709: 1704: 1701: 1695: 1690: 1687: 1682: 1677: 1674: 1665: 1664: 1663: 1655: 1653: 1630: 1624: 1621: 1616: 1613: 1610: 1607: 1604: 1598: 1593: 1590: 1585: 1580: 1577: 1568: 1567: 1561: 1559: 1536: 1530: 1527: 1522: 1519: 1516: 1513: 1510: 1504: 1499: 1496: 1491: 1486: 1483: 1474: 1473: 1472: 1464: 1446: 1443: 1440: 1437: 1434: 1431: 1409: 1406: 1401: 1396: 1393: 1384: 1383: 1382: 1360: 1357: 1354: 1334: 1331: 1328: 1306: 1303: 1298: 1293: 1290: 1281: 1280: 1279: 1262: 1259: 1256: 1253: 1250: 1228: 1225: 1220: 1215: 1212: 1203: 1202: 1196: 1180: 1174: 1171: 1148: 1144: 1139: 1113: 1107: 1104: 1090: 1088: 1082: 1077: 1051: 1045: 1042: 1030: 1019: 1009: 1001: 997: 993: 988: 980: 976: 972: 968: 964: 960: 956: 952: 948: 944: 940: 930: 928: 925: 921: 917: 913: 909: 905: 901: 897: 893: 889: 885: 881: 880: 849: 839: 837: 833: 829: 828:Dedekind cuts 825: 821: 817: 813: 808: 806: 776: 772: 742: 738: 734: 730: 726: 722: 718: 713: 709: 686: 683: 671:The fraction 655: 650: 646: 640: 636: 632: 627: 623: 617: 613: 599: 595: 591: 586: 582: 575: 567: 563: 559: 554: 550: 539: 538: 537: 535: 529: 522: 516: 512: 507: 505: 501: 497: 489: 484: 479: 456: 443: 439: 435: 430: 428: 424: 420: 416: 412: 404: 400: 392: 388: 384: 379: 364: 350: 345: 340: 336: 332: 331:the rationals 328: 307: 303: 300: 293: 290: 287: 261: 258: 242: 235: 231: 210: 207: 195: 191: 187: 183: 179: 146: 117: 88: 59: 28: 22: 8313:Half-integer 8303:Dedekind cut 8286: 8206: 8196: 8011:Dual numbers 8003:hypercomplex 7793:Real numbers 7647: 7524: 7452:Salem number 7441: 7308: 7279:. Retrieved 7275: 7265: 7242: 7235: 7212: 7205: 7193:. Retrieved 7184: 7177: 7168: 7162: 7142: 7135: 7124:. Retrieved 7120: 7085: 7079: 7068:. Retrieved 7058: 7047:. Retrieved 7043: 7030: 7022: 7018: 7014: 7008: 7003: 6998:, sense 5.a. 6995: 6991: 6987: 6981: 6976: 6971:, sense 2.a. 6968: 6964: 6958: 6953: 6934: 6924: 6905: 6863:. Retrieved 6859: 6849: 6838:. Retrieved 6834: 6825: 6802: 6795: 6772: 6765: 6746: 6443: 6343: 6319:Ford circles 6171: 6136: 6059: 5880: 5802:prime number 5795: 5766: 5763:-adic number 5751: 5662:real numbers 5538:metric space 5527: 5512: 5500:real numbers 5496:dense subset 5493: 5473: 5462: 5443: 5432:Countability 5419: 5315: 5265: 5164: 5099: 5035: 5002: 4969: 4745: 4667: 4625: 4614: 4595: 4587: 4585: 4429: 4360: 4286: 4210: 4203: 4192: 4185: 4141: 4137: 4056:quotient set 4023: 3727: 3584: 3577: 3515: 3500: 3484: 3084: 3069:coefficients 3026: 2843: 2841: 2760: 2677: 2592: 2589: 2499: 2417: 2202: 2119: 1995: 1926: 1887: 1851: 1784: 1745: 1733: 1661: 1645: 1551: 1470: 1461: 1380: 1277: 1155:Any integer 1154: 1142: 1091: 1080: 1026: 999: 995: 989: 978: 974: 970: 966: 962: 958: 954: 946: 942: 938: 936: 926: 907: 899: 888:coefficients 883: 877: 847: 845: 816:dense subset 809: 714: 707: 670: 532:, using the 527: 520: 508: 488:golden ratio 431: 380: 343: 338: 334: 330: 181: 175: 58:real numbers 8173:Other types 7992:Bioctonions 7849:Quaternions 7036:Shor, Peter 5478:, that is, 5063:prime field 4670:total order 4146:is denoted 3218:parentheses 1564:Subtraction 1008:in Greek). 945:, the term 896:coordinates 842:Terminology 769:are called 733:prime field 513:defined as 500:uncountable 434:real number 423:hexadecimal 383:real number 241:denominator 178:mathematics 8333:Categories 8127:Projective 8100:Infinities 7281:2021-08-17 7126:2021-08-17 7070:2021-03-20 7049:2021-03-19 7025:, sense 3. 7015:irrational 6865:2020-08-11 6840:2020-08-11 6729:References 6663:Irrational 6137:defines a 5660:, and the 5523:closed set 5480:almost all 5132:isomorphic 4966:Properties 4182:Two pairs 2304:reciprocal 1927:reciprocal 1140:, and, if 1016:See also: 1012:Arithmetic 996:irrational 979:irrational 951:derivation 920:polynomial 820:completion 773:, and the 741:extensions 504:almost all 486:, and the 438:irrational 425:ones (see 395:3/4 = 0.75 393:(example: 8211:solenoids 8031:Sedenions 7877:Octonions 7315:EMS Press 7195:17 August 6992:a. (adv.) 6709:Imaginary 6107:− 5844:− 5727:− 5643:countable 5581:− 5446:countable 4920:≥ 4820:≤ 4707:≤ 4568:⋯ 4520:− 4512:− 4494:− 4483:− 4474:⋯ 4110:∼ 4087:∖ 4076:× 3957:≡ 3925:× 3800:≡ 3666:⟺ 3633:∼ 3545:∖ 3534:× 3432:− 3424:× 3200:¯ 2956:⋱ 2798:− 2783:− 2628:− 2385:⋅ 2084:− 2076:− 1960:− 1825:− 1798:− 1683:⋅ 1611:− 1586:− 1136:by their 1000:illogical 949:is not a 933:Etymology 846:The term 609:⟺ 576:∼ 496:countable 301:− 288:− 234:numerator 7620:Integers 7582:Sets of 6988:rational 6933:(2005). 6611:Fraction 6444:Rational 6303:See also 5958:we set 5873:dividing 5648:without 5519:open set 5515:topology 5476:null set 5458:non-zero 5452:as in a 5196:integers 4970:The set 3511:integers 3466:′ 3182:vinculum 3180:using a 2116:Division 1785:opposite 1467:Addition 1377:Ordering 1199:Equality 975:rational 971:rational 963:rational 947:rational 884:rational 848:rational 832:decimals 822:, using 729:integers 717:addition 511:formally 403:sequence 230:integers 194:fraction 190:quotient 116:integers 8298:Integer 8201:numbers 8033: ( 7879: ( 7851: ( 7823: ( 7795: ( 7716: ( 7714:Periods 7683: ( 7650: ( 7622: ( 7594: ( 7576:systems 7317:, 2001 6520:Natural 6482:Integer 6368:Complex 6290:⁠ 6268:⁠ 6257:⁠ 6225:⁠ 6215:⁠ 6174:⁠ 6168:⁠ 6143:⁠ 5956:⁠ 5926:⁠ 5791:⁠ 5769:⁠ 5747:above. 5688:⁠ 5666:⁠ 5631:⁠ 5606:⁠ 5544:metric 5498:of the 5316:(where 5257:⁠ 5232:⁠ 5224:⁠ 5199:⁠ 5194:of the 5190:is the 5188:⁠ 5166:⁠ 5161:⁠ 5136:⁠ 5124:⁠ 5102:⁠ 5096:⁠ 5071:⁠ 5059:⁠ 5037:⁠ 5028:has no 5026:⁠ 5004:⁠ 4994:⁠ 4972:⁠ 4664:⁠ 4632:⁠ 4610:coprime 4461:⁠ 4432:⁠ 4180:⁠ 4148:⁠ 4125:⁠ 4060:⁠ 4052:⁠ 4030:⁠ 3572:⁠ 3518:⁠ 3173:⁠ 3141:⁠ 3132:⁠ 3103:⁠ 3065:⁠ 3036:⁠ 2827:⁠ 2771:⁠ 2756:⁠ 2713:⁠ 2709:⁠ 2680:⁠ 2597:, then 2534:⁠ 2502:⁠ 2340:⁠ 2308:⁠ 2302:by the 2300:⁠ 2271:⁠ 2267:⁠ 2238:⁠ 2234:⁠ 2205:⁠ 2122:b, c, d 2106:⁠ 2064:⁠ 2060:⁠ 2031:⁠ 2027:⁠ 1998:⁠ 1919:⁠ 1890:⁠ 1883:⁠ 1854:⁠ 1779:has an 1777:⁠ 1748:⁠ 1742:Inverse 1193:⁠ 1161:⁠ 1126:⁠ 1094:⁠ 1064:⁠ 1032:⁠ 914:" and " 874:⁠ 852:⁠ 801:⁠ 779:⁠ 767:⁠ 745:⁠ 723:form a 702:⁠ 673:⁠ 471:⁠ 447:⁠ 411:base 10 377:⁠ 352:⁠ 337:or the 333:", the 277:⁠ 248:⁠ 228:of two 226:⁠ 197:⁠ 170:⁠ 148:⁠ 141:⁠ 119:⁠ 112:⁠ 90:⁠ 83:⁠ 61:⁠ 54:⁠ 32:⁠ 8001:Other 7574:Number 7250:  7220:  7150:  7013:Entry 6986:Entry 6963:Entry 6941:  6912:  6810:  6780:  6753:  6139:metric 6060:Then 5864:where 5808:, let 5521:nor a 5504:finite 5126:is an 4617:> 0 4612:, and 3027:where 2763:> 0 1921:has a 1145:< 0 1083:> 0 1066:where 1005:ἄλογος 984:ἄλογος 943:ratios 927:is not 904:matrix 419:binary 399:repeat 391:digits 186:number 8209:-adic 8199:-adic 7956:Over 7917:Over 7911:types 7909:Split 7293:Notes 7189:(PDF) 6965:ratio 6297:-adic 5800:be a 5061:is a 4998:field 3589:. An 967:ratio 959:ratio 955:ratio 918:" (a 902:is a 879:ratio 834:(see 725:field 525:with 347:, or 184:is a 8245:List 8102:and 7248:ISBN 7218:ISBN 7197:2021 7148:ISBN 7021:and 6994:and 6939:ISBN 6910:ISBN 6808:ISBN 6778:ISBN 6751:ISBN 6564:: 1 6556:: 0 6554:Zero 6406:Real 5796:Let 5467:and 5420:Any 5392:< 5363:< 5291:< 5226:The 4887:< 4787:> 4746:If 4608:are 4604:and 4596:m, n 4200:and 4142:m, n 3578:m, n 3085:a, b 1650:are 1648:b, d 1556:are 1554:b, d 1438:< 1402:< 1347:and 1132:and 1078:and 1074:are 1070:and 987:)". 719:and 708:p, q 521:p, q 421:and 415:base 325:The 232:, a 180:, a 6562:One 6141:on 5230:of 5134:to 4895:and 4795:and 4135:.) 3587:≠ 0 3509:of 3505:of 3081:to 2765:or 2758:if 2678:If 2595:≠ 0 2590:If 2418:If 2306:of 2236:by 2120:If 2062:or 1996:If 1852:If 953:of 838:). 810:In 777:of 743:of 530:≠ 0 429:). 327:set 192:or 176:In 8335:: 7791:: 7313:, 7307:, 7274:. 7119:. 7094:^ 7042:. 7023:n. 7019:a. 7017:, 6996:n. 6990:, 6969:n. 6967:, 6874:^ 6858:. 6833:. 6737:^ 5912:0. 5878:. 5525:. 5510:. 5486:. 5471:. 5263:. 5000:. 4853:or 4668:A 4209:, 4191:, 3513:. 3454:: 3406:: 3351:: 3228:2. 3220:: 3192:2. 3184:: 3139:: 3101:: 3089:. 2842:A 2575:1. 2112:. 1929:, 1787:, 1654:. 1560:. 826:, 807:. 712:. 502:, 480:, 473:), 432:A 323:). 8279:e 8272:t 8265:v 8213:) 8207:p 8203:( 8197:p 8071:/ 8055:) 8042:S 7978:: 7965:C 7939:: 7926:R 7901:) 7888:O 7873:) 7860:H 7845:) 7832:C 7817:) 7804:R 7740:) 7726:P 7705:) 7692:A 7672:) 7659:Q 7644:) 7631:Z 7616:) 7603:N 7566:e 7559:t 7552:v 7509:) 7507:ς 7500:) 7498:ψ 7466:) 7463:S 7459:δ 7432:) 7430:ρ 7413:) 7411:φ 7350:e 7343:t 7336:v 7284:. 7256:. 7226:. 7199:. 7156:. 7129:. 7073:. 7052:. 6947:. 6918:. 6868:. 6843:. 6816:. 6786:. 6759:. 6534:N 6529:: 6496:Z 6491:: 6458:Q 6453:: 6420:R 6415:: 6382:C 6377:: 6295:p 6277:Q 6245:. 6240:p 6235:Q 6220:p 6203:) 6198:p 6194:d 6190:, 6186:Q 6182:( 6156:. 6152:Q 6120:p 6115:| 6110:y 6104:x 6100:| 6096:= 6093:) 6090:y 6087:, 6084:x 6081:( 6076:p 6072:d 6045:. 6037:p 6032:| 6027:b 6023:| 6015:p 6010:| 6005:a 6001:| 5994:= 5989:p 5984:| 5979:b 5976:a 5971:| 5944:, 5939:b 5936:a 5909:= 5904:p 5899:| 5894:0 5890:| 5876:a 5870:p 5866:p 5852:, 5847:n 5840:p 5836:= 5831:p 5826:| 5821:a 5817:| 5806:a 5798:p 5778:Q 5761:p 5752:p 5734:| 5730:y 5724:x 5720:| 5716:= 5713:) 5710:y 5707:, 5704:x 5701:( 5698:d 5675:Q 5619:. 5615:Q 5592:, 5588:| 5584:y 5578:x 5574:| 5570:= 5567:) 5564:y 5561:, 5558:x 5555:( 5552:d 5405:. 5400:d 5397:c 5386:d 5383:+ 5380:b 5375:c 5372:+ 5369:a 5358:b 5355:a 5330:d 5327:, 5324:b 5299:d 5296:c 5286:b 5283:a 5245:, 5241:Q 5212:. 5208:Z 5175:Q 5149:. 5145:Q 5111:Q 5084:. 5080:Q 5046:Q 5013:Q 4981:Q 4946:. 4943:) 4938:2 4934:m 4928:1 4924:n 4915:2 4911:n 4905:1 4901:m 4890:0 4882:2 4878:n 4872:1 4868:n 4864:( 4843:) 4838:2 4834:m 4828:1 4824:n 4815:2 4811:n 4805:1 4801:m 4790:0 4782:2 4778:n 4772:1 4768:n 4764:( 4727:2 4723:n 4717:2 4713:m 4700:1 4696:n 4690:1 4686:m 4652:. 4646:1 4643:n 4628:n 4615:n 4606:n 4602:m 4598:) 4594:( 4571:. 4565:= 4559:n 4556:2 4551:m 4548:2 4542:= 4537:n 4534:m 4529:= 4523:n 4515:m 4506:= 4500:n 4497:2 4489:m 4486:2 4477:= 4446:n 4443:m 4415:. 4410:1 4406:n 4400:2 4396:m 4392:= 4387:2 4383:n 4377:1 4373:m 4342:2 4338:n 4332:2 4328:m 4322:= 4315:1 4311:n 4305:1 4301:m 4272:. 4267:1 4263:n 4257:2 4253:m 4249:= 4244:2 4240:n 4234:1 4230:m 4216:) 4214:2 4211:n 4207:2 4204:m 4202:( 4198:) 4196:1 4193:n 4189:1 4186:m 4184:( 4168:. 4162:n 4159:m 4144:) 4140:( 4113:, 4106:/ 4102:) 4099:) 4096:} 4093:0 4090:{ 4083:Z 4079:( 4072:Z 4068:( 4039:Q 4009:. 4006:) 4001:2 3997:n 3991:1 3987:n 3983:, 3978:2 3974:m 3968:1 3964:m 3960:( 3954:) 3949:2 3945:n 3941:, 3936:2 3932:m 3928:( 3922:) 3917:1 3913:n 3909:, 3904:1 3900:m 3896:( 3875:, 3872:) 3867:2 3863:n 3857:1 3853:n 3849:, 3844:2 3840:m 3834:1 3830:n 3826:+ 3821:2 3817:n 3811:1 3807:m 3803:( 3797:) 3792:2 3788:n 3784:, 3779:2 3775:m 3771:( 3768:+ 3765:) 3760:1 3756:n 3752:, 3747:1 3743:m 3739:( 3713:. 3708:1 3704:n 3698:2 3694:m 3690:= 3685:2 3681:n 3675:1 3671:m 3662:) 3657:2 3653:n 3649:, 3644:2 3640:m 3636:( 3630:) 3625:1 3621:n 3617:, 3612:1 3608:m 3604:( 3585:n 3580:) 3576:( 3560:) 3557:) 3554:} 3551:0 3548:{ 3541:Z 3537:( 3530:Z 3526:( 3470:6 3463:3 3435:1 3428:3 3419:3 3415:2 3386:6 3383:1 3377:+ 3371:2 3368:1 3362:+ 3359:2 3334:] 3331:2 3328:, 3325:1 3322:; 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Index

Rational (disambiguation)

real numbers
complex numbers
integers
natural numbers
mathematics
number
quotient
fraction
integers
numerator
denominator
set
blackboard bold
real number
decimal expansion
digits
repeat
sequence
base 10
base
binary
hexadecimal
Repeating decimal § Extension to other bases
real number
irrational
square root of 2
π
e

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