contravariant functors
contravariant functors is the plural of contravariant functor.
Meaning of contravariant functor
Noun
contravariant functor (plural contravariant functors)
- 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;.
Questions about contravariant functors
- What is contravariant functors the plural of?
- Contravariant functors is the plural of contravariant functor.
Words near contravariant functors in the dictionary
Source and license
Adapted from Wiktionary: contravariant functors (page history and authors); contravariant functor (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “contravariant functors.” Word.ws, https://word.ws/contravariant_functors. Based on Wiktionary, CC BY-SA 4.0.
