of_sort_derivation: weaken bypasses derivation for identical sort -- accomodate proof terms by krauss/schropp, for example;
(* Title: HOL/MicroJava/BV/Semilat.thy
Author: Gerwin Klein
Copyright 2003 TUM
*)
header {* Abstract Bytecode Verifier *}
(*<*)
theory Abstract_BV
imports Typing_Framework_err Kildall LBVCorrect LBVComplete
begin
end
(*>*)