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Theorem pow_odd_neg

Modification history

2021-10-21 20:06
src/algebra/group_power/lemmas.lean
feat(algebra/group_power/lemmas): Positivity of an odd/even power (#9796) …
Deleted pow_odd_negView on Github →
2021-02-02 14:43
src/algebra/group_power/lemmas.lean
feat(algebra/group_power/lemmas): sign of even/odd powers (#5990) …
Added pow_odd_negView on Github →