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Theorems · Theorem · group theory

Subgroup.isFiniteRelIndex_of_le

Deprecated since 2026-05-09Use Subgroup.isFiniteRelIndex_of_le_left instead.

∀ {G : Type u_1} [inst : Group G] {H K : Subgroup G} (L : Subgroup G) [H.IsFiniteRelIndex L],
  H ≤ K → K.IsFiniteRelIndex L

Alias of Subgroup.isFiniteRelIndex_of_le_left.

Defined in
Mathlib.GroupTheory.Index
Cited by
0 results in Mathlib
Foundations
Depth 98 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
GroupSubgroup.IsFiniteRelIndex
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Group · cited by 6238GroupSubgroup · cited by 3593SubgroupSubgroup.IsFiniteRelIndex · cited by 26Subgroup.IsFiniteRelIndexSubgroup.isFiniteRelIndex_of_le_left · cited by 1Subgroup.isFiniteRelIndex…Subgroup.isFiniteRelIndex_of_…CITED BYCITES

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