fact: Definition Restrict_Format (P : S -> Prop) (format : FormatM S T) : FormatM S T := Compose_Format format (fun s s' => s = s' /\ P s').
imports: Coq.ZArith.ZArith Coq.Strings.String Coq.Vectors.Vector Fiat.Common.DecideableEnsembles Fiat.Computation Fiat.Narcissus.Common.Specs