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(/VERSIONCHECK 2)
(DEFPARAMETER |IntegralDomain;AL| 'NIL)
(DEFUN |IntegralDomain;| ()
(PROG (#0=#:G1403)
(RETURN
(PROG1 (LETT #0#
(|Join| (|CommutativeRing|) (|Algebra| '$)
(|EntireRing|)
(|mkCategory| '|domain|
'(((|exquo| ((|Union| $ "failed") $ $))
T)
((|unitNormal|
((|Record| (|:| |unit| $)
(|:| |canonical| $)
(|:| |associate| $))
$))
T)
((|unitCanonical| ($ $)) T)
((|associates?| ((|Boolean|) $ $)) T)
((|unit?| ((|Boolean|) $)) T))
NIL '((|Boolean|)) NIL))
|IntegralDomain|)
(SETELT #0# 0 '(|IntegralDomain|))))))
(DEFUN |IntegralDomain| ()
(LET ()
(COND
(|IntegralDomain;AL|)
(T (SETQ |IntegralDomain;AL| (|IntegralDomain;|))))))
(SETQ |$CategoryFrame|
(|put| '|IntegralDomain| '|isCategory| T
(|addModemap| '|IntegralDomain| '(|IntegralDomain|)
'((|Category|)) T '|IntegralDomain| |$CategoryFrame|)))
(MAKEPROP '|IntegralDomain| 'NILADIC T)
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