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Theorem equiv.perm.sign_perm_congr

Modification history

2021-01-07 10:05
src/group_theory/perm/sign.lean
chore(group_theory/perm/sign): remove classical for sign congr simp lemmas (#5622) …
Modified equiv.perm.sign_perm_congrView on Github →
2020-11-03 09:26
src/group_theory/perm/sign.lean
feat(linear_algebra/matrix): `det (reindex e e A) = det A` (#4875) …
Added equiv.perm.sign_perm_congrView on Github →