explicit separation of signed and unsigned numerals using existing lexical categories num and xnum
(* Title: HOL/Sledgehammer.thy
Author: Lawrence C. Paulson, Cambridge University Computer Laboratory
Author: Jia Meng, Cambridge University Computer Laboratory and NICTA
Author: Jasmin Blanchette, TU Muenchen
*)
header {* Sledgehammer: Isabelle--ATP Linkup *}
theory Sledgehammer
imports Presburger SMT
keywords "sledgehammer" :: diag and "sledgehammer_params" :: thy_decl
begin
lemma size_ne_size_imp_ne: "size x \<noteq> size y \<Longrightarrow> x \<noteq> y"
by (erule contrapos_nn) (rule arg_cong)
ML_file "Tools/Sledgehammer/async_manager.ML"
ML_file "Tools/Sledgehammer/sledgehammer_util.ML"
ML_file "Tools/Sledgehammer/sledgehammer_fact.ML"
ML_file "Tools/Sledgehammer/sledgehammer_proof_methods.ML"
ML_file "Tools/Sledgehammer/sledgehammer_isar_annotate.ML"
ML_file "Tools/Sledgehammer/sledgehammer_isar_proof.ML"
ML_file "Tools/Sledgehammer/sledgehammer_isar_preplay.ML"
ML_file "Tools/Sledgehammer/sledgehammer_isar_compress.ML"
ML_file "Tools/Sledgehammer/sledgehammer_isar_minimize.ML"
ML_file "Tools/Sledgehammer/sledgehammer_isar.ML"
ML_file "Tools/Sledgehammer/sledgehammer_prover.ML"
ML_file "Tools/Sledgehammer/sledgehammer_prover_atp.ML"
ML_file "Tools/Sledgehammer/sledgehammer_prover_smt.ML"
ML_file "Tools/Sledgehammer/sledgehammer_prover_minimize.ML"
ML_file "Tools/Sledgehammer/sledgehammer_mepo.ML"
ML_file "Tools/Sledgehammer/sledgehammer_mash.ML"
ML_file "Tools/Sledgehammer/sledgehammer.ML"
ML_file "Tools/Sledgehammer/sledgehammer_commands.ML"
end