(/VERSIONCHECK 2) (DEFPARAMETER |CommutativeRing;AL| 'NIL) (DEFUN |CommutativeRing;| () (LET ((#0=#:G1372 (|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)