Theorems · Theorem · group theory
Subgroup.isComplement_subgroup_left_iff_bijective
∀ {G : Type u_1} [inst : Group G] {H : Subgroup G} {T : Set G},
Subgroup.IsComplement (↑H) T ↔ Function.Bijective (T.domRestrict Quotient.mk'')- Defined in
- Mathlib.GroupTheory.Complement
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 70 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Group
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites12
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- SetLike.coestatement · cited by 8,199
- Set.Elemstatement · cited by 7,166
- Groupstatement and proof · cited by 6,238
- Subgroupstatement and proof · cited by 3,593
- Function.Bijectivestatement · cited by 863
- Set.domRestrictstatement and proof · cited by 383
- Quotient.mk''statement and proof · cited by 132
- Subgroup.IsComplementstatement · cited by 94
- QuotientGroup.rightRelstatement · cited by 44
- Function.bijective_iff_existsUniqueproof · cited by 15
- Subgroup.isComplement_subgroup_left_iff_existsUnique_quotientMk''proof · cited by 1
Cited by2
Results whose statement or proof uses this declaration.
- Subgroup.isComplement_range_rightproof · cited by 2
- Subgroup.IsComplement.card_rightproof · cited by 1