src/ZF/CardinalArith.thy
changeset 13269 3ba9be497c33
parent 13244 7b37e218f298
child 13328 703de709a64b
--- a/src/ZF/CardinalArith.thy	Mon Jul 01 18:16:18 2002 +0200
+++ b/src/ZF/CardinalArith.thy	Tue Jul 02 13:28:08 2002 +0200
@@ -467,7 +467,7 @@
 
 (*A general fact about ordermap*)
 lemma ordermap_eqpoll_pred:
-    "[| well_ord(A,r);  x:A |] ==> ordermap(A,r)`x \<approx> pred(A,x,r)"
+    "[| well_ord(A,r);  x:A |] ==> ordermap(A,r)`x \<approx> Order.pred(A,x,r)"
 apply (unfold eqpoll_def)
 apply (rule exI)
 apply (simp add: ordermap_eq_image well_ord_is_wf)
@@ -503,7 +503,7 @@
 done
 
 lemma pred_csquare_subset: 
-    "z<K ==> pred(K*K, <z,z>, csquare_rel(K)) <= succ(z)*succ(z)"
+    "z<K ==> Order.pred(K*K, <z,z>, csquare_rel(K)) <= succ(z)*succ(z)"
 apply (unfold Order.pred_def)
 apply (safe del: SigmaI succCI)
 apply (erule csquareD [THEN conjE])