fact: Fixpoint greatest_fixpoint' (sz : nat) : A -> A := greatest_fixpoint_step greatest_fixpoint' sz.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.Arith.EqNat Coq.Arith.Compare_dec Coq.ZArith.ZArith Coq.Lists.List Fiat.Common.List.ListFacts Fiat.Common