src/HOL/UNITY/Comp/AllocBase.thy
changeset 14114 e97ca1034caa
parent 13798 4c1a53627500
child 14361 ad2f5da643b4
--- a/src/HOL/UNITY/Comp/AllocBase.thy	Tue Jul 15 15:20:54 2003 +0200
+++ b/src/HOL/UNITY/Comp/AllocBase.thy	Wed Jul 16 12:09:41 2003 +0200
@@ -71,14 +71,13 @@
 declare setsum_cong [cong]
 
 lemma bag_of_sublist_lemma:
-     "(\<Sum>i: A Int lessThan k. {#if i<k then f i else g i#}) =  
-      (\<Sum>i: A Int lessThan k. {#f i#})"
-apply (rule setsum_cong, auto)
-done
+     "(\\<Sum>i: A Int lessThan k. {#if i<k then f i else g i#}) =  
+      (\\<Sum>i: A Int lessThan k. {#f i#})"
+by (rule setsum_cong, auto)
 
 lemma bag_of_sublist:
      "bag_of (sublist l A) =  
-      (\<Sum>i: A Int lessThan (length l). {# l!i #})"
+      (\\<Sum>i: A Int lessThan (length l). {# l!i #})"
 apply (rule_tac xs = l in rev_induct, simp)
 apply (simp add: sublist_append Int_insert_right lessThan_Suc nth_append 
                  bag_of_sublist_lemma plus_ac0)
@@ -88,7 +87,8 @@
 lemma bag_of_sublist_Un_Int:
      "bag_of (sublist l (A Un B)) + bag_of (sublist l (A Int B)) =  
       bag_of (sublist l A) + bag_of (sublist l B)"
-apply (subgoal_tac "A Int B Int {..length l (} = (A Int {..length l (}) Int (B Int {..length l (}) ")
+apply (subgoal_tac "A Int B Int {..length l (} =
+	            (A Int {..length l (}) Int (B Int {..length l (}) ")
 apply (simp add: bag_of_sublist Int_Un_distrib2 setsum_Un_Int, blast)
 done
 
@@ -96,13 +96,12 @@
      "A Int B = {}  
       ==> bag_of (sublist l (A Un B)) =  
           bag_of (sublist l A) + bag_of (sublist l B)"
-apply (simp add: bag_of_sublist_Un_Int [symmetric])
-done
+by (simp add: bag_of_sublist_Un_Int [symmetric])
 
 lemma bag_of_sublist_UN_disjoint [rule_format]:
      "[| finite I; ALL i:I. ALL j:I. i~=j --> A i Int A j = {} |]  
       ==> bag_of (sublist l (UNION I A)) =   
-          (\<Sum>i:I. bag_of (sublist l (A i)))"
+          (\\<Sum>i:I. bag_of (sublist l (A i)))"
 apply (simp del: UN_simps 
             add: UN_simps [symmetric] add: bag_of_sublist)
 apply (subst setsum_UN_disjoint, auto)