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Theorem submonoid.bot_or_nontrivial

Modification history

2022-03-15 11:51
src/group_theory/submonoid/operations.lean
feat(group_theory/finiteness): quotient of fg is fg (#12652)
Modified submonoid.bot_or_nontrivialView on Github →
2020-10-01 20:40
src/group_theory/submonoid/operations.lean
feat(group_theory): subgroups of real numbers (#4334) …
Added submonoid.bot_or_nontrivialView on Github →