Last Updated
：2025/11/21
contravariant
Adjective
not-comparable
of a functor
Japanese Meaning
（圏論において）合成の順序を逆転させる性質、つまりファンクターが通常の合成を反対方向に作用することを意味する。 / （オブジェクト指向プログラミングにおいて）逆変性に関する性質、すなわち型のパラメータが引数の方向に逆転（より広い型からより狭い型への変換）する性質を指す。
Sense（2）
Quizzes for review
(category theory, of a functor) which reverses composition / (object-oriented programming) Using or relating to contravariance.
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See correct answer
contravariant
A contravariant functor sends each morphism to a morphism in the opposite direction, thus reversing composition.
See correct answer
A contravariant functor sends each morphism to a morphism in the opposite direction, thus reversing composition.
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English - English
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