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Theorem
one_mem_class.coe_eq_one
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)
Added
one_mem_class.coe_eq_one
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