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Theorem equiv.perm.card_support_eq_two

Modification history

2021-05-07 09:30
src/group_theory/perm/sign.lean
refactor(group_theory/perm/*): disjoint and support in own file (#7450) …
Modified equiv.perm.card_support_eq_twoView on Github →
2021-04-06 09:41
src/group_theory/perm/sign.lean
feat(group_theory/perm/*): facts about the cardinality of the support of a permutation (#6951) …
Added equiv.perm.card_support_eq_twoView on Github →