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(/VERSIONCHECK 2)
(DEFPARAMETER |AbelianGroup;AL| 'NIL)
(DEFUN |AbelianGroup;| ()
(PROG (#0=#:G1399)
(RETURN
(PROG1 (LETT #0#
(|Join| (|CancellationAbelianMonoid|)
(|mkCategory| '|domain|
'(((- ($ $)) T) ((- ($ $ $)) T)
((* ($ (|Integer|) $)) T))
NIL '((|Integer|)) NIL))
|AbelianGroup|)
(|setShellEntry| #0# 0 '(|AbelianGroup|))))))
(DEFUN |AbelianGroup| ()
(LET ()
(COND
(|AbelianGroup;AL|)
(T (SETQ |AbelianGroup;AL| (|AbelianGroup;|))))))
(MAKEPROP '|AbelianGroup| 'NILADIC T)
|
