
(DECLAIM (NOTINLINE |Group;|)) 

(DEFPARAMETER |Group;AL| 'NIL) 

(DEFUN |Group| () (COND (|Group;AL|) (T (SETQ |Group;AL| (|Group;|))))) 

(DEFUN |Group;| ()
  (SPROG ((#1=#:G2 NIL))
         (PROG1
             (LETT #1#
                   (|Join| (|Monoid|) (|TwoSidedRecip|) (|unitsKnown|)
                           (|mkCategory|
                            '(((|inv| (% %)) T) ((/ (% % %)) T)
                              ((^ (% % (|Integer|))) T)
                              ((|conjugate| (% % %)) T)
                              ((|commutator| (% % %)) T))
                            NIL NIL NIL)))
           (SETELT #1# 0 '(|Group|))))) 
