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Modification history
2021-11-30 15:07
src/algebra/group/basic.lean
refactor(algebra/group/basic): Migrate `add_group` section into `group` section (#10532)
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2020-07-01 23:16
src/algebra/group_with_zero.lean
chore(algebra/*): deduplicate `*_with_zero`/`semiring`/`field` (#3259) …
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2020-04-06 23:05
src/algebra/group_with_zero.lean
feat(algebra/group_with_zero): groups with a zero element adjoined (#2242) …
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