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(/VERSIONCHECK 2)
(DEFPARAMETER |RealNumberSystem;AL| 'NIL)
(DEFUN |RealNumberSystem;| ()
(PROG (#0=#:G1406)
(RETURN
(PROG1 (LETT #0#
(|sublisV|
(PAIR '(#1=#:G1402 #2=#:G1403 #3=#:G1404
#4=#:G1405)
(LIST '(|Integer|)
'(|Fraction| (|Integer|))
'(|Pattern| (|Float|)) '(|Float|)))
(|Join| (|Field|) (|OrderedRing|)
(|RealConstant|) (|RetractableTo| '#1#)
(|RetractableTo| '#2#)
(|RadicalCategory|)
(|ConvertibleTo| '#3#)
(|PatternMatchable| '#4#)
(|CharacteristicZero|)
(|mkCategory| '|domain|
'(((|norm| ($ $)) T)
((|ceiling| ($ $)) T)
((|floor| ($ $)) T)
((|wholePart| ((|Integer|) $)) T)
((|fractionPart| ($ $)) T)
((|truncate| ($ $)) T)
((|round| ($ $)) T)
((|abs| ($ $)) T))
NIL '((|Integer|)) NIL)))
|RealNumberSystem|)
(SETELT #0# 0 '(|RealNumberSystem|))))))
(DEFUN |RealNumberSystem| ()
(LET ()
(COND
(|RealNumberSystem;AL|)
(T (SETQ |RealNumberSystem;AL| (|RealNumberSystem;|))))))
(SETQ |$CategoryFrame|
(|put| '|RealNumberSystem| '|isCategory| T
(|addModemap| '|RealNumberSystem| '(|RealNumberSystem|)
'((|Category|)) T '|RealNumberSystem|
|$CategoryFrame|)))
(MAKEPROP '|RealNumberSystem| 'NILADIC T)
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