proposition: Lemma folds_iso_eq {a b : C} (i i' : folds_iso a b) : folds_iso_data_from_folds_iso i = folds_iso_data_from_folds_iso i' → i = i'.
proof: Proof. intro H. apply subtypePath. - intro; apply isaprop_folds_iso_prop. - assumption. Qed.
imports: UniMath.Folds.UnicodeNotations UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.Foundations.UnivalenceAxiom UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.Folds.folds_precat UniMath.Folds.from_precats_to_folds_and_back