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Def category_theory.functor.obj_preimage

Modification history

2020-12-19 11:05
src/category_theory/essential_image.lean
feat(category_theory): essential image of a functor (#5352) …
Added category_theory.functor.obj_preimageView on Github →
2020-12-15 10:30
src/category_theory/equivalence.lean
chore(category_theory/equivalence): weaken essential surjectivity (#3821) …
Deleted category_theory.functor.obj_preimageView on Github →
2018-12-28 02:49
category_theory/equivalence.lean
refactor(category_theory): minimize the amount of universe annotations in category_theory (#552)
Modified category_theory.functor.obj_preimageView on Github →
2018-11-28 04:36
category_theory/equivalence.lean
feat(category_theory/equivalence): equivalences, slice tactic (#479)
Added category_theory.functor.obj_preimageView on Github →