Question: For completeness, we repeat here the necessary constants and low-level functions from ELIZA: (defconstant f a i l n i l Indicates pat-match f a
For completeness, we repeat here the necessary constants and low-level functions from ELIZA:
(defconstant f a i l n i l "Indicates pat-match f a i l u r e ")
(defconstant no-bindings '((t . t))
"Indicates pat-match success, with no v a r i a b l e s .")
(defun variable-p (x)
" Is x a variable (a symbol beginning with '?'I?"
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