fact: Definition IndexedTuple {heading} := @IndexedElement (@Tuple heading).
imports: Coq.Lists.List Coq.Strings.String Coq.Logic.FunctionalExtensionality Coq.Sets.Ensembles Fiat.Common.ilist2 Fiat.Common.StringBound Coq.Program.Program Fiat.QueryStructure.Specification.Representation.Heading Fiat.Common.Ensembles.IndexedEnsembles Fiat.QueryStructure.Specification.Representation.Notations