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Theorem inv_inv''

Modification history

2020-06-05 05:31
src/algebra/group_with_zero.lean
chore(algebra/*): merge `inv_inv''` with `inv_inv'` (#2954)
Deleted inv_inv''View on Github →
2020-04-06 23:05
src/algebra/field.lean
feat(algebra/group_with_zero): groups with a zero element adjoined (#2242) …
Modified inv_inv''View on Github →
2020-03-05 13:17
src/algebra/field.lean
chore(*): switch to lean 3.6.1 (#2064) …
Added inv_inv''View on Github →