ℚ

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See also: Appendix:Variations of "q"

ℚ U+211A, ℚ
DOUBLE-STRUCK CAPITAL Q
← ℙ
[U+2119] 		Letterlike Symbols ℛ →
[U+211B]

Translingual

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Etymology

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From the initial of Italian quoziente (“quotient”), notation proposed in 1895 by mathematician Giuseppe Peano.

Symbol

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ℚ

  1. (mathematics) The set of rational numbers.
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