Lemma iscomm_gullibility {X : hSet} (b : prebilattice X) : iscomm (gullibility b) . Proof. exact (iscomm_Lmax (klattice b)) . Defined.
Require Import UniMath.Algebra.BinaryOperations. Require Import UniMath.OrderTheory.Lattice.Lattice. Require Import UniMath.OrderTheory.Lattice.Bounded.