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Theorem mul_neg_one_eq_neg

Modification history

2017-11-05 00:29
algebra/ring.lean
fix(algebra/field): update to lean
Deleted mul_neg_one_eq_negView on Github →
2017-07-23 15:16
algebra/ring.lean
refactor(*): import content from lean/library/data and library_dev
Added mul_neg_one_eq_negView on Github →