fact: Definition CircleEquiv : Circle ≃ Circle'.
imports: UniMath.Foundations.All UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Equivalences UniMath.MoreFoundations.PathsOver UniMath.Algebra.Monoids UniMath.SyntheticHomotopyTheory.AffineLine UniMath.NumberSystems.Integers UniMath.Algebra.BinaryOperations UniMath.Algebra.GroupAction UniMath.Algebra.Groups