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v3
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Mathlib v3 is deprecated.
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Theorem
subgroup.relindex_inf_ne_zero
Modification history
2022-04-07 07:05
src/group_theory/index.lean
chore(group_theory/index): Add `to_additive` (#13191) …
Modified
subgroup.relindex_inf_ne_zero
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2022-03-18 12:36
src/group_theory/index.lean
feat(group_theory/index): Intersection of finite index subgroups (#12776) …
Added
subgroup.relindex_inf_ne_zero
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