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removed obsolete case_split_tac -- cannot work without;
authorwenzelm
Sat, 14 Jun 2008 23:20:03 +0200
changeset 27212 3a3686dd4433
parent 27211 6724f31a1c8e
child 27213 2c7a628ccdcf
removed obsolete case_split_tac -- cannot work without;
src/HOL/HOL.thy file | annotate | diff | comparison | revisions 
--- a/src/HOL/HOL.thy	Sat Jun 14 23:20:02 2008 +0200
+++ b/src/HOL/HOL.thy	Sat Jun 14 23:20:03 2008 +0200
@@ -731,10 +731,6 @@
 apply (erule prem1)
 done
 
-ML {*
-  fun case_split_tac P = res_inst_tac [("P", P)] @{thm case_split}
-*}
-
 (*Classical implies (-->) elimination. *)
 lemma impCE:
   assumes major: "P-->Q"
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