Theorems · Theorem · general algebraic systems

Finsupp.mapDomain_apply

∀ {α : Type u_1} {β : Type u_2} {M : Type u_5} [inst : AddCommMonoid M] {f : α → β},
  Function.Injective f → ∀ (x : α →₀ M) (a : α), (Finsupp.mapDomain f x) (f a) = x a

Defined in

Mathlib.Data.Finsupp.Basic

Cited by

11 results in Mathlib

Foundations

Depth 72 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

AddCommMonoid