{A : Type} `{Is1Cat A, hbc : !HasBinaryCoproducts A^op} : HasBinaryProducts A := hbc.
Require Import Basics.Overture Basics.Tactics Basics.Decidable. Require Import Types.Bool. Require Import WildCat.Core WildCat.Equiv WildCat.Forall WildCat.NatTrans