Theorems · Theorem · group theory
Subgroup.relIndex_le_of_le_left
∀ {G : Type u_1} [inst : Group G] {H K L : Subgroup G}, H ≤ K → H.relIndex L ≠ 0 → K.relIndex L ≤ H.relIndex L- Defined in
- Mathlib.GroupTheory.Index
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 100 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Group
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- Groupstatement and proof · cited by 6,238
- Subgroupstatement and proof · cited by 3,593
- Subgroup.relIndexstatement and proof · cited by 72
- Subgroup.relIndex_dvd_of_le_leftproof · cited by 3
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