# HG changeset patch
# User wenzelm
# Date 1185712206 -7200
# Node ID 248da5f0e735c59d7ec005ae20cde56a65dce94b
# Parent  e4adf8175149faa832117fc23863728e5b4598e6
renamed Drule.is_dummy_thm to Thm.is_dummy;

diff -r e4adf8175149 -r 248da5f0e735 src/Pure/Isar/proof.ML
--- a/src/Pure/Isar/proof.ML	Sun Jul 29 14:30:05 2007 +0200
+++ b/src/Pure/Isar/proof.ML	Sun Jul 29 14:30:06 2007 +0200
@@ -588,7 +588,7 @@
 (* chain *)
 
 fun clean_facts ctxt =
-  put_facts (SOME (filter_out Drule.is_dummy_thm (the_facts ctxt))) ctxt;
+  put_facts (SOME (filter_out Thm.is_dummy (the_facts ctxt))) ctxt;
 
 val chain =
   assert_forward
@@ -651,7 +651,7 @@
         val ths = maps snd named_facts;
       in (statement, f ctxt ths using, g ctxt ths goal, before_qed, after_qed) end));
 
-fun append_using _ ths using = using @ filter_out Drule.is_dummy_thm ths;
+fun append_using _ ths using = using @ filter_out Thm.is_dummy ths;
 fun unfold_using ctxt ths = map (LocalDefs.unfold ctxt ths);
 val unfold_goals = LocalDefs.unfold_goals;