fact: Definition AppendRawHeading (h1 h2 : RawHeading) : RawHeading := {| NumAttr := NumAttr h1 + NumAttr h2; AttrList := Vector.append (AttrList h1) (AttrList h2) |}.
imports: Coq.Vectors.Vector Coq.Vectors.Vector 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