Diff — Functor

Revision #2171 → #2823 · back to history

addedOpposite categorydb3548b6bdd8

addedCategory of small categoriesd7226b2eb650

addedFunctors between one-object categories as monoid homomorphisms43ad4969f6c4

modifiedDiagonal functor240a978e2c72

Field	From #2171	To #2823
mathlib.match_kind	exact	special_case
note	`Functor.diag : C ⥤ C × C` is the diagonal functor; the general diagonal into a functor category is `Functor.const`.	`Functor.diag : C ⥤ C × C` is the diagonal functor into a binary product; the article's D ⥤ D^C generalization corresponds to `Functor.const C`.
provenance	ai	ai-moderated

addedFundamental groupoidc7d0a1d06bc6

addedLinear representation as functorb9eefe30c14c

addedFree group4e29bcbf7ba4

addedNatural transformation91975feef0a8

addedAdjoint functors9e8b89ccb158