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Theorem opposite.commute_unop

Modification history

2021-11-19 12:03
src/algebra/opposites.lean
refactor(algebra/opposites): use mul_opposite for multiplicative opposite (#10302) …
Deleted opposite.commute_unopView on Github →
2021-02-10 00:03
src/algebra/opposites.lean
feat(algebra/geom_sum): adds further variants (#6077) …
Added opposite.commute_unopView on Github →