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Theorem submonoid_class.one_def

Modification history

2022-08-19 09:24
src/group_theory/submonoid/operations.lean
feat(group_theory/submonoid/basic): weaken assumptions for `has_one` instance to `one_mem_class` for `set_like` subobjects (#16104)
Deleted submonoid_class.one_defView on Github →
2022-04-05 12:54
src/group_theory/submonoid/operations.lean
feat(*): define subobject classes from submonoid up to subfield (#11750) …
Added submonoid_class.one_defView on Github →