Mathlib v3 is deprecated. Go to Mathlib v4

Theorem mul_opposite.unop_one

Modification history

2022-01-04 13:36
src/algebra/opposites.lean
feat(algebra/opposites): add `add_opposite` (#11080) …
Modified mul_opposite.unop_oneView on Github →
2021-11-19 12:03
src/algebra/opposites.lean
refactor(algebra/opposites): use mul_opposite for multiplicative opposite (#10302) …
Added mul_opposite.unop_oneView on Github →