Mathlib Map

Theorems · Theorem · functional analysis

LinearIsometry.comp_assoc

∀ {R : Type u_1} {R₂ : Type u_2} {R₃ : Type u_3} {R₄ : Type u_4} {E : Type u_5} {E₂ : Type u_6} {E₃ : Type u_7}
  {E₄ : Type u_8} [inst : Semiring R] [inst_1 : Semiring R₂] [inst_2 : Semiring R₃] [inst_3 : Semiring R₄]
  {σ₁₂ : R →+* R₂} {σ₁₃ : R →+* R₃} {σ₁₄ : R →+* R₄} {σ₂₃ : R₂ →+* R₃} {σ₂₄ : R₂ →+* R₄} {σ₃₄ : R₃ →+* R₄}
  [inst_4 : RingHomCompTriple σ₁₂ σ₂₃ σ₁₃] [inst_5 : RingHomCompTriple σ₁₂ σ₂₄ σ₁₄]
  [inst_6 : RingHomCompTriple σ₂₃ σ₃₄ σ₂₄] [inst_7 : RingHomCompTriple σ₁₃ σ₃₄ σ₁₄] [inst_8 : SeminormedAddCommGroup E]
  [inst_9 : SeminormedAddCommGroup E₂] [inst_10 : SeminormedAddCommGroup E₃] [inst_11 : SeminormedAddCommGroup E₄]
  [inst_12 : Module R E] [inst_13 : Module R₂ E₂] [inst_14 : Module R₃ E₃] [inst_15 : Module R₄ E₄]
  (f : E₃ →ₛₗᵢ[σ₃₄] E₄) (g : E₂ →ₛₗᵢ[σ₂₃] E₃) (h : E →ₛₗᵢ[σ₁₂] E₂), (f.comp g).comp h = f.comp (g.comp h)
Defined in
Mathlib.Analysis.Normed.Operator.LinearIsometry
Cited by
0 results in Mathlib
Foundations
Depth 157 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemiringSemiringSemiringSemiringRingHomCompTripleRingHomCompTripleRingHomCompTripleRingHomCompTripleSeminormedAddCommGroupSeminormedAddCommGroupSeminormedAddCommGroupSeminormedAddCommGroupModuleModuleModuleModule

Around this declaration

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

Cites7

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by0

Results whose statement or proof uses this declaration.

Nothing cites this yet.