DirectSum.coeFnAddMonoidHom

{ι : Type v} → (β : ι → Type w) → [inst : (i : ι) → AddCommMonoid (β i)] → (DirectSum ι fun i => β i) →+ (i : ι) → β i

Coercion from a DirectSum to a pi type is an AddMonoidHom.

Defined in: Mathlib.Algebra.DirectSum.Basic
Cited by: 5 results in Mathlib
Foundations: Depth 31 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: AddCommMonoid

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