Mathlib v3 is deprecated. Go to Mathlib v4

Theorem monoid.mem_closure_union_iff

Modification history

2020-06-01 23:39
src/deprecated/submonoid.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified monoid.mem_closure_union_iffView on Github →
2020-02-14 00:07
src/group_theory/submonoid.lean
chore(group_theory/sub*) : rename type vars (#1982) …
Modified monoid.mem_closure_union_iffView on Github →
2019-01-30 16:32
src/group_theory/submonoid.lean
feat(group_theory): monoid / group closure of union
Added monoid.mem_closure_union_iffView on Github →