blob: 765ee1315eae5de09443dbe7996285553d85fdd1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
(/VERSIONCHECK 2)
(DEFPARAMETER |CommutativeRing;AL| 'NIL)
(DEFUN |CommutativeRing;| ()
(PROG (#0=#:G1398)
(RETURN
(PROG1 (LETT #0#
(|Join| (|Ring|) (|BiModule| '$ '$)
(|mkCategory| '|package| NIL
'(((|commutative| "*") T)) 'NIL NIL))
|CommutativeRing|)
(|setShellEntry| #0# 0 '(|CommutativeRing|))))))
(DEFUN |CommutativeRing| ()
(LET ()
(COND
(|CommutativeRing;AL|)
(T (SETQ |CommutativeRing;AL| (|CommutativeRing;|))))))
(MAKEPROP '|CommutativeRing| 'NILADIC T)
|
