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Theorem
subgroup.is_complement_top_singleton
Modification history
2021-11-10 02:49
src/group_theory/complement.lean
feat(group_theory/complement): iff-lemmas for when bottom and top subgroups are complementary (#10143) …
Modified
subgroup.is_complement_top_singleton
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2021-09-30 08:02
src/group_theory/complement.lean
feat(group_theory/complement): Top is complement to every singleton subset (#9460) …
Added
subgroup.is_complement_top_singleton
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