Theorems · Definition · group theory
QuotientGroup.kerLift
{G : Type u} → [inst : Group G] → {H : Type v} → [inst_1 : Group H] → (φ : G →* H) → G ⧸ φ.ker →* HThe induced map from the quotient by the kernel to the codomain.
- Defined in
- Mathlib.GroupTheory.QuotientGroup.Basic
- Cited by
- 8 results in Mathlib
- Foundations
- Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Groupstatement and proof · cited by 6,238
- MonoidHomstatement and proof · cited by 3,629
- Subgroupstatement · cited by 3,593
- HasQuotient.Quotientstatement · cited by 2,301
- MonoidHom.kerstatement and proof · cited by 212
- QuotientGroup.liftproof · cited by 8
Cited by11
Results whose statement or proof uses this declaration.
- QuotientGroup.kerLift_injectivestatement · cited by 3
- NumberField.Units.logEmbeddingQuotproof · cited by 2
- QuotientGroup.quotientKerEquivOfRightInverseproof · cited by 2
- IsCyclic.normalizer_le_centralizerproof · cited by 2
- IsDedekindDomain.selmerGroup.fromUnitLiftproof · cited by 1
- FixedPoints.toAlgAut_surjectiveproof · cited by 1
- QuotientGroup.quotientBot_applystatement · cited by 0
- MonoidHom.isStrictMap_iff_isEmbedding_kerLiftstatement and proof · cited by 0
- NumberField.Units.logEmbeddingQuot_injectiveproof · cited by 0
- QuotientGroup.quotientKerEquivOfRightInverse_applystatement · cited by 0
- QuotientGroup.kerLift_mkstatement · cited by 0