Theorems · Definition

Equiv.ofUnique

(α : Sort u) → (β : Sort v) → [Unique α] → [Unique β] → α ≃ β

If both α and β have a unique element, then α ≃ β.

Defined in

Mathlib.Logic.Equiv.Defs

Cited by

5 results in Mathlib

Foundations

Depth 10 from the axioms · uses no axioms

Assumes

UniqueUnique