Theorems · Theorem · group theory

finprod_mem_inter_mulSupport

∀ {α : Type u_1} {M : Type u_5} [inst : CommMonoid M] (f : α → M) (s : Set α),
  ∏ᶠ (i : α) (_ : i ∈ s ∩ Function.mulSupport f), f i = ∏ᶠ (i : α) (_ : i ∈ s), f i

Defined in

Mathlib.Algebra.BigOperators.Finprod

Cited by

3 results in Mathlib

Foundations

Depth 80 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommMonoid