Theorem CategoryTheory.Pretriangulated.opShiftFunctorEquivalenceSymmHomEquiv_left_inv

Modification history

2025-12-10 21:53
Mathlib/CategoryTheory/Triangulated/Opposite/Basic.lean
feat(CategoryTheory): the opposite of a triangulated category is triangulated (#32535)
Added CategoryTheory.Pretriangulated.opShiftFunctorEquivalenceSymmHomEquiv_left_invView on Github →