Theorems · Definition · order theory

RelIso.copy

{α : Type u_1} →
  {β : Type u_2} →
    {r : α → α → Prop} → {s : β → β → Prop} → (e : r ≃r s) → (f : α → β) → (g : β → α) → f = ⇑e → g = ⇑e.symm → r ≃r s

Copy of a RelIso with a new toFun and invFun equal to the old ones. Useful to fix definitional equalities.

Defined in

Mathlib.Order.RelIso.Basic

Cited by

2 results in Mathlib

Foundations

Depth 27 from the axioms · uses propext, Quot.sound