Theorems · Theorem · group theory
AddSubgroup.inf_relIndex_left
∀ {G : Type u_1} [inst : AddGroup G] (H K : AddSubgroup G), (H ⊓ K).relIndex H = K.relIndex H- Defined in
- Mathlib.GroupTheory.Index
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 94 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- AddGroup
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- AddGroupstatement and proof · cited by 4,410
- AddSubgroupstatement and proof · cited by 3,232
- inf_commproof · cited by 139
- AddSubgroup.relIndexstatement and proof · cited by 67
- AddSubgroup.inf_relIndex_rightproof · cited by 5
Cited by1
Results whose statement or proof uses this declaration.
- AddSubgroup.Commensurable.properlyDiscontinuousVAdd_iffproof · cited by 0