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Theorems · Theorem · nonassociative algebras

RootPairing.Hom.comp_assoc

∀ {ι : Type u_1} {R : Type u_2} {M : Type u_3} {N : Type u_4} [inst : CommRing R] [inst_1 : AddCommGroup M]
  [inst_2 : Module R M] [inst_3 : AddCommGroup N] [inst_4 : Module R N] {ι₁ : Type u_5} {M₁ : Type u_6} {N₁ : Type u_7}
  {ι₂ : Type u_8} {M₂ : Type u_9} {N₂ : Type u_10} {ι₃ : Type u_11} {M₃ : Type u_12} {N₃ : Type u_13}
  [inst_5 : AddCommGroup M₁] [inst_6 : Module R M₁] [inst_7 : AddCommGroup N₁] [inst_8 : Module R N₁]
  [inst_9 : AddCommGroup M₂] [inst_10 : Module R M₂] [inst_11 : AddCommGroup N₂] [inst_12 : Module R N₂]
  [inst_13 : AddCommGroup M₃] [inst_14 : Module R M₃] [inst_15 : AddCommGroup N₃] [inst_16 : Module R N₃]
  {P : RootPairing ι R M N} {P₁ : RootPairing ι₁ R M₁ N₁} {P₂ : RootPairing ι₂ R M₂ N₂} {P₃ : RootPairing ι₃ R M₃ N₃}
  (h : P₂.Hom P₃) (g : P₁.Hom P₂) (f : P.Hom P₁), (h.comp g).comp f = h.comp (g.comp f)
Defined in
Mathlib.LinearAlgebra.RootSystem.Hom
Cited by
1 results in Mathlib
Foundations
Depth 45 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingAddCommGroupModuleAddCommGroupModuleAddCommGroupModuleAddCommGroupModuleAddCommGroupModuleAddCommGroupModuleAddCommGroupModuleAddCommGroupModule

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