Removed wf_implies_wfP and wfP_implies_wf from list of hints again.
(* Title: HOL/Recdef.thy
ID: $Id$
Author: Konrad Slind and Markus Wenzel, TU Muenchen
*)
header {* TFL: recursive function definitions *}
theory Recdef
imports Wellfounded_Relations FunDef
uses
("Tools/TFL/casesplit.ML")
("Tools/TFL/utils.ML")
("Tools/TFL/usyntax.ML")
("Tools/TFL/dcterm.ML")
("Tools/TFL/thms.ML")
("Tools/TFL/rules.ML")
("Tools/TFL/thry.ML")
("Tools/TFL/tfl.ML")
("Tools/TFL/post.ML")
("Tools/recdef_package.ML")
begin
lemma tfl_eq_True: "(x = True) --> x"
by blast
lemma tfl_rev_eq_mp: "(x = y) --> y --> x";
by blast
lemma tfl_simp_thm: "(x --> y) --> (x = x') --> (x' --> y)"
by blast
lemma tfl_P_imp_P_iff_True: "P ==> P = True"
by blast
lemma tfl_imp_trans: "(A --> B) ==> (B --> C) ==> (A --> C)"
by blast
lemma tfl_disj_assoc: "(a \<or> b) \<or> c == a \<or> (b \<or> c)"
by simp
lemma tfl_disjE: "P \<or> Q ==> P --> R ==> Q --> R ==> R"
by blast
lemma tfl_exE: "\<exists>x. P x ==> \<forall>x. P x --> Q ==> Q"
by blast
use "Tools/TFL/casesplit.ML"
use "Tools/TFL/utils.ML"
use "Tools/TFL/usyntax.ML"
use "Tools/TFL/dcterm.ML"
use "Tools/TFL/thms.ML"
use "Tools/TFL/rules.ML"
use "Tools/TFL/thry.ML"
use "Tools/TFL/tfl.ML"
use "Tools/TFL/post.ML"
use "Tools/recdef_package.ML"
setup RecdefPackage.setup
lemmas [recdef_simp] =
inv_image_def
measure_def
lex_prod_def
same_fst_def
less_Suc_eq [THEN iffD2]
lemmas [recdef_cong] =
if_cong let_cong image_cong INT_cong UN_cong bex_cong ball_cong imp_cong
lemmas [recdef_wf] =
wf_trancl
wf_less_than
wf_lex_prod
wf_inv_image
wf_measure
wf_pred_nat
wf_same_fst
wf_empty
end