sort assignment before simultaneous term_check, not isolated parse_term;
prefer Syntax.read_typ over Syntax.parse_typ, to include check phase for sort assignment;
simplified Syntax_Phases.decode_sort/decode_typ;
discontinued unused Proof_Context.check_tvar;
(* Title: HOL/SET_Protocol/SET_Protocol.thy
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 2003 University of Cambridge
Root file for the SET protocol proofs.
*)
theory SET_Protocol
imports Cardholder_Registration Merchant_Registration Purchase
begin
end