blob: 016a3ee00df355785b00198b1751b4fe22acbe8e (
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
|
(/VERSIONCHECK 2)
(DEFPARAMETER |Ring;AL| 'NIL)
(DEFUN |Ring;| ()
(PROG (#0=#:G1397)
(RETURN
(PROG1 (LETT #0#
(|Join| (|Rng|) (|Monoid|) (|LeftModule| '$)
(|mkCategory| '|domain|
'(((|characteristic|
((|NonNegativeInteger|)))
T)
((|coerce| ($ (|Integer|))) T))
'((|unitsKnown| T))
'((|Integer|) (|NonNegativeInteger|))
NIL))
|Ring|)
(SETELT #0# 0 '(|Ring|))))))
(DEFUN |Ring| ()
(LET () (COND (|Ring;AL|) (T (SETQ |Ring;AL| (|Ring;|))))))
(SETQ |$CategoryFrame|
(|put| '|Ring| '|isCategory| T
(|addModemap| '|Ring| '(|Ring|) '((|Category|)) T '|Ring|
|$CategoryFrame|)))
(MAKEPROP '|Ring| 'NILADIC T)
|