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Theorem units.mul_neg_one

Modification history

2022-02-16 11:53
src/algebra/ring/basic.lean
refactor(algebra/group/basic): add extra typeclasses for negation (#11960) …
Deleted units.mul_neg_oneView on Github →
2022-02-10 13:11
src/algebra/ring/basic.lean
feat(algebra/group_power/basic): add lemmas about pow and neg on units (#11447) …
Added units.mul_neg_oneView on Github →