
(/VERSIONCHECK 2) 

(DEFPARAMETER |LiouvillianFunctionCategory;AL| 'NIL) 

(DEFUN |LiouvillianFunctionCategory| ()
  (LET (#:G1817)
    (COND
      (|LiouvillianFunctionCategory;AL|)
      (T (SETQ |LiouvillianFunctionCategory;AL|
               (|LiouvillianFunctionCategory;|)))))) 

(DEFUN |LiouvillianFunctionCategory;| ()
  (PROG (#0=#:G1815)
    (RETURN
      (PROG1 (LETT #0#
                   (|Join| (|PrimitiveFunctionCategory|)
                           (|TranscendentalFunctionCategory|)
                           (|mkCategory| '|domain|
                               '(((|Ei| ($ $)) T) ((|Si| ($ $)) T)
                                 ((|Ci| ($ $)) T) ((|li| ($ $)) T)
                                 ((|dilog| ($ $)) T) ((|erf| ($ $)) T))
                               NIL 'NIL NIL))
                   |LiouvillianFunctionCategory|)
        (SETELT #0# 0 '(|LiouvillianFunctionCategory|)))))) 

(MAKEPROP '|LiouvillianFunctionCategory| 'NILADIC T) 
