ATerms-sig.stx 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 module signatures/ATerms-sig imports signature sorts Cons = string Int = string String = string StringChar = string Term constructors Term-Plhdr : Term signature constructors Str : String -> Term Int : Int -> Term App : Cons * list(Term) -> Term List : list(Term) -> Term Tuple : list(Term) -> Term ×