Theorem CategoryTheory.Cat.id_obj

Modification history

2025-12-17 16:11
Mathlib/CategoryTheory/Category/Cat.lean
feat(CategoryTheory/Cat/Basic): Turning 1- and 2-morphisms in Cat into a 1-field structure (#31807) …
Deleted CategoryTheory.Cat.id_objView on Github →
2024-08-22 13:53
Mathlib/CategoryTheory/Category/Cat.lean
feat(Category/Cat): add API lemmas (#16064) …
Added CategoryTheory.Cat.id_objView on Github →