aboutsummaryrefslogtreecommitdiff
path: root/src/algebra/strap/COMRING.lsp
blob: d7eeb60474dcc0e2563e9b42f2269e6d58cbb9f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
(/VERSIONCHECK 2) 

(DEFPARAMETER |CommutativeRing;AL| 'NIL) 

(DEFUN |CommutativeRing;| ()
  (LET ((#0=#:G1397
            (|Join| (|Ring|) (|BiModule| '$ '$)
                    (|mkCategory| '|package| NIL
                        '(((|commutative| "*") T)) 'NIL NIL))))
    (|setShellEntry| #0# 0 '(|CommutativeRing|))
    #0#)) 

(DEFUN |CommutativeRing| ()
  (COND
    (|CommutativeRing;AL|)
    (T (SETQ |CommutativeRing;AL| (|CommutativeRing;|))))) 

(MAKEPROP '|CommutativeRing| 'NILADIC T)