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U+211A, ℚ
DOUBLE-STRUCK CAPITAL Q

[U+2119]
Letterlike Symbols
[U+211B]

Translingual[edit]

Etymology[edit]

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

Symbol[edit]

  1. (mathematics) The set of rational numbers.