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Theorems · Definition · linear algebra

Submodule.quotEquivOfEq

{R : Type u_1} →
  {M : Type u_2} →
    [inst : Ring R] →
      [inst_1 : AddCommGroup M] → [inst_2 : Module R M] → (p p' : Submodule R M) → p = p' → (M ⧸ p) ≃ₗ[R] M ⧸ p'

Quotienting by equal submodules gives linearly equivalent quotients.

Defined in
Mathlib.LinearAlgebra.Quotient.Defs
Cited by
15 results in Mathlib
Foundations
Depth 84 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RingAddCommGroupModule

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Ideal.quotEquivOfEq · cited by 15Ideal.quotEquivOfEqModule.Flat.lTensor_exact · cited by 7Flat.lTensor_exactSubmodule.quotOfListConsSMulTopEquivQuotSMulTopInner · cited by 7Submodule.quotOfListConsS…Subspace.quotAnnihilatorEquiv · cited by 4Subspace.quotAnnihilatorE…CharacterModule.intSpanEquivQuotAddOrderOf · cited by 4CharacterModule.intSpanEq…Algebra.TensorProduct.tensorQuotientEquiv · cited by 3TensorProduct.tensorQuoti…Module.Flat.rTensor_exact · cited by 3Flat.rTensor_exactModule.equiv_directSum_of_isTorsion · cited by 2Module.equiv_directSum_of…Submodule.finite_quotient_smul · cited by 2Submodule.finite_quotient…Module.support_quotSMulTop · cited by 2Module.support_quotSMulTopQuotSMulTop.equivQuotTensor · cited by 2QuotSMulTop.equivQuotTens…QuotSMulTop.equivTensorQuot · cited by 2QuotSMulTop.equivTensorQu…Submodule.index_smul_le · cited by 1Submodule.index_smul_leSubmodule.quotientQuotientEquivQuotientSup · cited by 1Submodule.quotientQuotien…Module.support_quotient · cited by 1Module.support_quotientModule · cited by 20661ModuleRingHom.id · cited by 18349RingHom.idAddCommGroup · cited by 12871AddCommGroupEquiv · cited by 8337EquivRing · cited by 7463RingSubmodule · cited by 7192SubmoduleLinearEquiv · cited by 3317LinearEquivHasQuotient.Quotient · cited by 2301HasQuotient.QuotientEquiv.toFun · cited by 279Equiv.toFunEquiv.refl · cited by 274Equiv.reflEquiv.invFun · cited by 163Equiv.invFunSubmodule.quotientRel · cited by 18Submodule.quotientRelQuotient.congr · cited by 1Quotient.congrSubmodule.quotEquivOfEqCITED BYCITES

Cites13

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Cited by33

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