src/FOL/IFOL.thy

--- a/src/FOL/IFOL.thy	Tue Jun 01 11:25:26 2004 +0200
+++ b/src/FOL/IFOL.thy	Tue Jun 01 12:33:50 2004 +0200
@@ -13,7 +13,7 @@
 
 global
 
-classes "term" < logic
+classes "term"
 defaultsort "term"
 
 typedecl o
@@ -264,7 +264,7 @@
 nonterminals letbinds letbind
 
 constdefs
-  Let :: "['a::logic, 'a => 'b] => ('b::logic)"
+  Let :: "['a::{}, 'a => 'b] => ('b::{})"
     "Let(s, f) == f(s)"
 
 syntax