Theorems · Theorem · sequences and series

Equiv.hasProd_iff

∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} [inst : CommMonoid α] [inst_1 : TopologicalSpace α] {f : β → α} {a : α}
  (e : γ ≃ β), HasProd (f ∘ ⇑e) a ↔ HasProd f a

Defined in

Mathlib.Topology.Algebra.InfiniteSum.Basic

Cited by

8 results in Mathlib

Foundations

Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommMonoidTopologicalSpace