fact: Definition quotient_rec2 {B : HSet} {dclass : (A -> A -> B)}: forall dequiv : (forall x x', R x x' -> forall y y', R y y' -> dclass x y = dclass x' y'), quotient R -> quotient R -> B.
imports: HoTT.Basics HoTT.Types HSet TruncType Truncations.Core