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Theorem inv_comm_of_comm'

Modification history

2020-06-08 17:34
src/algebra/group_with_zero.lean
refactor(algebra/*): move `commute` below `ring` in `import`s (#2973) …
Deleted inv_comm_of_comm'View on Github →
2020-04-06 23:05
src/algebra/group_with_zero.lean
feat(algebra/group_with_zero): groups with a zero element adjoined (#2242) …
Added inv_comm_of_comm'View on Github →