Hi, After Mark's question about "what are you really trying to do?" I realized that in clos.lisp we have defun and friends available, so the accessor functions for method combinations can be implemented there. Attached is a reworked patch. I believe that the class definitions need to stay inside StandardClass.lisp, since we can't call ensure-class yet. I also attach a patch that gets rid of the ill-fated EqualSpecializerObject.java and replaces it with 3 lines of Lisp code ... (Thanks for tolerating my stumbling-about in your project, guys..) Rudi