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Subgroup.relindex_ne_zero
Modification history
2025-07-04 07:44
Mathlib/GroupTheory/Index.lean
chore: further whitespace fixes (#26708) …
Modified
Subgroup.relindex_ne_zero
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2025-04-18 17:47
Mathlib/GroupTheory/Index.lean
feat: typeclass for subgroups of finite relative index (#23596) …
Added
Subgroup.relindex_ne_zero
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