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Theorems · Theorem · ring theory

LinearMap.comp_assoc

∀ {R₁ : Type u_2} {R₂ : Type u_3} {R₃ : Type u_4} {M₁ : Type u_9} {M₂ : Type u_10} {M₃ : Type u_11} [inst : Semiring R₁]
  [inst_1 : Semiring R₂] [inst_2 : Semiring R₃] [inst_3 : AddCommMonoid M₁] [inst_4 : AddCommMonoid M₂]
  [inst_5 : AddCommMonoid M₃] {module_M₁ : Module R₁ M₁} {module_M₂ : Module R₂ M₂} {module_M₃ : Module R₃ M₃}
  {σ₁₂ : R₁ →+* R₂} {σ₂₃ : R₂ →+* R₃} {σ₁₃ : R₁ →+* R₃} [inst_6 : RingHomCompTriple σ₁₂ σ₂₃ σ₁₃] {R₄ : Type u_14}
  {M₄ : Type u_15} [inst_7 : Semiring R₄] [inst_8 : AddCommMonoid M₄] [inst_9 : Module R₄ M₄] {σ₃₄ : R₃ →+* R₄}
  {σ₂₄ : R₂ →+* R₄} {σ₁₄ : R₁ →+* R₄} [inst_10 : RingHomCompTriple σ₂₃ σ₃₄ σ₂₄]
  [inst_11 : RingHomCompTriple σ₁₃ σ₃₄ σ₁₄] [inst_12 : RingHomCompTriple σ₁₂ σ₂₄ σ₁₄] (f : M₁ →ₛₗ[σ₁₂] M₂)
  (g : M₂ →ₛₗ[σ₂₃] M₃) (h : M₃ →ₛₗ[σ₃₄] M₄), (h ∘ₛₗ g) ∘ₛₗ f = h ∘ₛₗ g ∘ₛₗ f
Defined in
Mathlib.Algebra.Module.LinearMap.Defs
Cited by
54 results in Mathlib
Foundations
Depth 24 from the axioms · uses propext, Quot.sound
Assumes
SemiringSemiringSemiringAddCommMonoidAddCommMonoidAddCommMonoidRingHomCompTripleSemiringAddCommMonoidModuleRingHomCompTripleRingHomCompTripleRingHomCompTriple

Around this declaration

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

LinearMap.trace_conj' · cited by 8LinearMap.trace_conj'Module.End.commute_pow_left_of_commute · cited by 8End.commute_pow_left_of_c…IsLocalizedModule.lift_comp · cited by 4IsLocalizedModule.lift_co…LinearMap.IsIdempotentElem.ker_mem_invtSubmodule_iff · cited by 4IsIdempotentElem.ker_mem_…LinearEquiv.isIntertwining_symm_isIntertwining · cited by 4LinearEquiv.isIntertwinin…CoassocSimps.assoc_comp_map · cited by 4CoassocSimps.assoc_comp_m…Module.FinitePresentation.exists_lift_of_isLocalizedModule · cited by 3FinitePresentation.exists…exists_bijective_map_powers · cited by 3exists_bijective_map_powe…CoassocSimps.TensorProduct.map_comp_assoc · cited by 3TensorProduct.map_comp_as…CoassocSimps.assoc_symm_comp_map · cited by 3CoassocSimps.assoc_symm_c…LocalizedModule.restrictScalars_map_eq · cited by 2LocalizedModule.restrictS…IsLocalizedModule.lift_unique · cited by 2IsLocalizedModule.lift_un…Module.Invertible.leftCancelEquiv_comp_lTensor_comp_symm · cited by 2Invertible.leftCancelEqui…Module.FaithfullyFlat.rTensor_reflects_exact · cited by 2FaithfullyFlat.rTensor_re…CoassocSimps.map_counit_comp_comul_left · cited by 1CoassocSimps.map_counit_c…Module · cited by 20661ModuleSemiring · cited by 13802SemiringAddCommMonoid · cited by 12281AddCommMonoidLinearMap · cited by 10215LinearMapRingHom · cited by 10189RingHomLinearMap.comp · cited by 1642LinearMap.compRingHomCompTriple · cited by 234RingHomCompTripleLinearMap.comp_assocCITED BYCITES

Cites7

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Cited by54

Results whose statement or proof uses this declaration.