Mathlib Map

Theorems · Definition · logic and foundations

Equiv.sumComm

(α : Type u_9) → (β : Type u_10) → α ⊕ β ≃ β ⊕ α

Sum of types is commutative up to an equivalence. This is Sum.swap as an equivalence.

Defined in
Mathlib.Logic.Equiv.Sum
Cited by
23 results in Mathlib
Foundations
Depth 10 from the axioms · uses no axioms

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites1

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

  • Equivstatement · cited by 8,337

Cited by35

Results whose statement or proof uses this declaration.