fact: Definition EnsembleRemove (k : Key) (ens : Ensemble (Key * Value)) (k' : Key * Value) : Prop := (fst k' <> k /\ ens k').
imports: Coq.Sets.Ensembles Coq.Lists.List Coq.Strings.String Fiat.Common Fiat.Computation Fiat.ADT.ADTSig Fiat.ADT.Core Fiat.ADT.ComputationalADT Fiat.Common.BoundedLookup Fiat.Common.ilist Fiat.ADTNotation.BuildADTSig Fiat.Common.Coq__8_4__8_5__Compat