blob: a452bca63ac3ff3d3c15d985673203d7f265a413 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
(/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|)
(|setShellEntry| #0# 0 '(|IntegralDomain|))))))
(DEFUN |IntegralDomain| ()
(LET ()
(COND
(|IntegralDomain;AL|)
(T (SETQ |IntegralDomain;AL| (|IntegralDomain;|))))))
(MAKEPROP '|IntegralDomain| 'NILADIC T)
|
