src/HOL/Inductive.thy
changeset 11003 ee0838d89deb
parent 10727 2ccafccb81c0
child 11325 a5e0289dd56c
--- a/src/HOL/Inductive.thy	Tue Jan 30 18:53:46 2001 +0100
+++ b/src/HOL/Inductive.thy	Tue Jan 30 18:57:24 2001 +0100
@@ -75,7 +75,7 @@
 setup PrimrecPackage.setup
 
 theorems basic_monos [mono] =
-  subset_refl imp_refl disj_mono conj_mono ex_mono all_mono
+  subset_refl imp_refl disj_mono conj_mono ex_mono all_mono if_def2
   Collect_mono in_mono vimage_mono
   imp_conv_disj not_not de_Morgan_disj de_Morgan_conj
   not_all not_ex