smulCommClass — Mathlib

English

Instance SMulCommClass (Filter α) (Filter β) (Filter γ) holds given SMul α γ, SMul β γ, SMulCommClass α β γ.

Русский

Инстанс SMulCommClass (Filter α) (Filter β) (Filter γ) существует при условии SMul α γ, SMul β γ, SMulCommClass α β γ.

LaTeX

$$$ SMulCommClass (Filter α) (Filter β) (Filter γ) $$$

Lean4

@[to_additive]
instance smulCommClass [SMul α γ] [SMul β γ] [SMulCommClass α β γ] : SMulCommClass (Filter α) (Filter β) (Filter γ) :=
  ⟨fun _ _ _ => map₂_left_comm smul_comm⟩

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