pseudofunctor

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|math}} A [[mapping]] between [[category|categories]] that is just like a [[functor]] except that <math>f(x \circ y) = f(x) \circ f(y)</math> and <math>f(1) = 1</math> do not hold as exact equalities but only up to coherent isomorphisms.

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