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Theorems · Theorem · linear algebra

LinearMap.map_dfinsuppSumAddHom

∀ {R : Type u_7} {R₂ : Type u_8} {M : Type u_9} {M₂ : Type u_10} {ι : Type u_11} [inst : Semiring R]
  [inst_1 : Semiring R₂] [inst_2 : AddCommMonoid M] [inst_3 : AddCommMonoid M₂] {σ₁₂ : R →+* R₂} [inst_4 : Module R M]
  [inst_5 : Module R₂ M₂] {γ : ι → Type u_12} [inst_6 : DecidableEq ι] [inst_7 : (i : ι) → AddZeroClass (γ i)]
  (f : M →ₛₗ[σ₁₂] M₂) {t : Π₀ (i : ι), γ i} {g : (i : ι) → γ i →+ M},
  f ((DFinsupp.sumAddHom g) t) = (DFinsupp.sumAddHom fun i => f.toAddMonoidHom.comp (g i)) t
Defined in
Mathlib.LinearAlgebra.DFinsupp
Cited by
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Foundations
Depth 88 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemiringSemiringAddCommMonoidAddCommMonoidModuleModuleDecidableEqAddZeroClass

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