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(/VERSIONCHECK 2) 

(DEFPARAMETER |Rng;AL| 'NIL) 

(DEFUN |Rng;| ()
  (LET ((#0=#:G1372 (|Join| (|AbelianGroup|) (|SemiGroup|))))
    (SETF (|shellEntry| #0# 0) '(|Rng|))
    #0#)) 

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

(MAKEPROP '|Rng| 'NILADIC T)