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(/VERSIONCHECK 2)
(DEFPARAMETER |DifferentialRing;AL| 'NIL)
(DEFUN |DifferentialRing;| ()
(LET ((#0=#:G1372 (|Join| (|Ring|) (|DifferentialSpace|))))
(SETF (|shellEntry| #0# 0) '(|DifferentialRing|))
#0#))
(DEFUN |DifferentialRing| ()
(COND
(|DifferentialRing;AL|)
(T (SETQ |DifferentialRing;AL| (|DifferentialRing;|)))))
(MAKEPROP '|DifferentialRing| 'NILADIC T)
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