
(/VERSIONCHECK 2) 

(DEFPARAMETER |Logic;AL| 'NIL) 

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

(DEFUN |Logic;| ()
  (PROG (#0=#:G1815)
    (RETURN
      (PROG1 (LETT #0#
                   (|Join| (|BasicType|)
                           (|mkCategory| '|domain|
                               '(((~ ($ $)) T) ((|/\\| ($ $ $)) T)
                                 ((|\\/| ($ $ $)) T))
                               NIL 'NIL NIL))
                   |Logic|)
        (SETELT #0# 0 '(|Logic|)))))) 

(MAKEPROP '|Logic| 'NILADIC T) 
