contravariant functor

名词 n.
中文释义

英文释义

名词 n.
  1. A functor which maps a morphism f:X → Y to a morphism F(f):F(Y) → F(X), such that if h=g∘f, then F(h)=F(f)∘F(g).
    — A contravariant functor F#58;#92;mathcal#123;C#125;#92;rightarrow#92;mathcal#123;D#125; is the same as a covariant functor F#58;#92;mathcal#123;C#125;#123;op#125;#92;rightarrow#92;mathcal#123;D#125;.

词形变化

contravariant functors plural
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