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Theorem opposite.equiv_to_opposite_symm_apply

Modification history

2021-08-18 18:52
src/data/opposite.lean
feat(algebra/monoid_algebra): add_monoid_algebra.op_{add,ring}_equiv (#8536) …
Deleted opposite.equiv_to_opposite_symm_applyView on Github →
2020-06-04 16:18
src/data/opposite.lean
chore(is_ring_hom): remove some uses of is_ring_hom (#2884) …
Added opposite.equiv_to_opposite_symm_applyView on Github →