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v3
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Mathlib v3 is deprecated.
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Theorem
is_submonoid_Union_of_directed
Modification history
2020-06-01 23:39
src/deprecated/submonoid.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified
is_submonoid_Union_of_directed
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2019-04-07 16:29
src/group_theory/submonoid.lean
feat(subgroup, subring, subfield): directed Unions of subrings are subrings (#889)
Added
is_submonoid_Union_of_directed
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