fact: Definition function_relationA : relation (B -> A) := fun f g => (forall x, f x <= g x) /\ exists x, ~(eqA (f x) (g x)).
imports: Coq.Setoids.Setoid Coq.Program.Program Coq.Program.Wf Coq.Arith.Wf_nat Coq.Classes.Morphisms Coq.Init.Wf Coq.Lists.SetoidList Coq.Arith.PeanoNat Fiat.Common.Coq__8_4__8_5__Compat