fact: Definition attrName_eq (cs : Attribute2) (idx : string) := if (string_dec (attrName2 cs) idx) then true else false .
imports: Coq.Lists.List Coq.Strings.String Coq.Logic.FunctionalExtensionality Coq.Sets.Ensembles Fiat.Common.ilist Fiat.Common.StringBound Coq.Program.Program Fiat.QueryStructure.Specification.Representation.Notations