fact: Definition isinv' {X : hSet} (x1 : X) (op : binop X) (exinv : hsubtype X) (inv : carrier_subset exinv -> X) := islinv' x1 op exinv inv × isrinv' x1 op exinv inv.
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.QuotientSet UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.Algebra.BinaryOperations UniMath.Algebra.Apartness UniMath.OrderTheory.Lattice.Lattice