Mathlib Map

Theorems · Definition · order theory

RelIso.symm

{α : Type u_1} → {β : Type u_2} → {r : α → α → Prop} → {s : β → β → Prop} → r ≃r s → s ≃r r

Inverse map of a relation isomorphism is a relation isomorphism.

Defined in
Mathlib.Order.RelIso.Basic
Cited by
193 results in Mathlib
Foundations
Depth 23 from the axioms, rests on 76 definitions · uses propext, Quot.sound

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