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(/VERSIONCHECK 2)
(DEFPARAMETER |Monoid;AL| 'NIL)
(DEFUN |Monoid;| ()
(PROG (#0=#:G1398)
(RETURN
(PROG1 (LETT #0#
(|Join| (|SemiGroup|)
(|mkCategory| '|domain|
'(((|One| ($) |constant|) T)
((|sample| ($) |constant|) T)
((|one?| ((|Boolean|) $)) T)
((** ($ $ (|NonNegativeInteger|))) T)
((|recip| ((|Union| $ "failed") $)) T))
NIL
'((|NonNegativeInteger|) (|Boolean|))
NIL))
|Monoid|)
(SETELT #0# 0 '(|Monoid|))))))
(DEFUN |Monoid| ()
(LET () (COND (|Monoid;AL|) (T (SETQ |Monoid;AL| (|Monoid;|))))))
(SETQ |$CategoryFrame|
(|put| '|Monoid| '|isCategory| T
(|addModemap| '|Monoid| '(|Monoid|) '((|Category|)) T
'|Monoid| |$CategoryFrame|)))
(MAKEPROP '|Monoid| 'NILADIC T)
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