src/HOLCF/Cfun1.ML
changeset 3323 194ae2e0c193
parent 2838 2e908f29bc3d
child 5291 5706f0ef1d43
--- a/src/HOLCF/Cfun1.ML	Fri May 23 18:55:28 1997 +0200
+++ b/src/HOLCF/Cfun1.ML	Sun May 25 11:07:52 1997 +0200
@@ -35,14 +35,14 @@
 (* less_cfun is a partial order on type 'a -> 'b                            *)
 (* ------------------------------------------------------------------------ *)
 
-qed_goalw "refl_less_cfun" thy [less_cfun_def] "less(f::'a->'b) f"
+qed_goalw "refl_less_cfun" thy [less_cfun_def] "(f::'a->'b) << f"
 (fn prems =>
         [
         (rtac refl_less 1)
         ]);
 
 qed_goalw "antisym_less_cfun" thy [less_cfun_def] 
-        "[|less (f1::'a->'b) f2; less f2 f1|] ==> f1 = f2"
+        "[|(f1::'a->'b) << f2; f2 << f1|] ==> f1 = f2"
 (fn prems =>
         [
         (cut_facts_tac prems 1),
@@ -55,7 +55,7 @@
         ]);
 
 qed_goalw "trans_less_cfun" thy [less_cfun_def] 
-        "[|less (f1::'a->'b) f2; less f2 f3|] ==> less f1 f3"
+        "[|(f1::'a->'b) << f2; f2 << f3|] ==> f1 << f3"
 (fn prems =>
         [
         (cut_facts_tac prems 1),