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(/VERSIONCHECK 2)
(DEFPARAMETER |AbelianMonoid;AL| 'NIL)
(DEFUN |AbelianMonoid;| ()
(PROG (#0=#:G1399)
(RETURN
(PROG1 (LETT #0#
(|Join| (|AbelianSemiGroup|)
(|mkCategory| '|domain|
'(((|Zero| ($) |constant|) T)
((|sample| ($) |constant|) T)
((|zero?| ((|Boolean|) $)) T)
((* ($ (|NonNegativeInteger|) $)) T))
NIL
'((|NonNegativeInteger|) (|Boolean|))
NIL))
|AbelianMonoid|)
(|setShellEntry| #0# 0 '(|AbelianMonoid|))))))
(DEFUN |AbelianMonoid| ()
(LET ()
(COND
(|AbelianMonoid;AL|)
(T (SETQ |AbelianMonoid;AL| (|AbelianMonoid;|))))))
(MAKEPROP '|AbelianMonoid| 'NILADIC T)
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