! Copyright (C) 2004, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: classes classes.algebra kernel namespaces words sequences
-quotations arrays kernel.private assocs combinators ;
+USING: classes classes.algebra kernel namespaces make words
+sequences quotations arrays kernel.private assocs combinators ;
IN: classes.predicate
PREDICATE: predicate-class < class