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Amb?-declon/stmt

Amb?-declon/stmt-kind

Get the kind (tag) of a amb?-declon/stmt structure.

Signature
(amb?-declon/stmt-kind x) → kind
Arguments: x — Guard (amb?-declon/stmt-p x).

Definitions and Theorems

Function: amb?-declon/stmt-kind$inline

(defun amb?-declon/stmt-kind$inline (x)
  (declare (xargs :guard (amb?-declon/stmt-p x)))
  (mbe :logic (cond ((or (atom x) (eq (car x) :declon))
                     :declon)
                    ((eq (car x) :stmt) :stmt)
                    (t :ambig))
       :exec (car x)))

Theorem: amb?-declon/stmt-kind-possibilities

(defthm amb?-declon/stmt-kind-possibilities
  (or (equal (amb?-declon/stmt-kind x)
             :declon)
      (equal (amb?-declon/stmt-kind x) :stmt)
      (equal (amb?-declon/stmt-kind x)
             :ambig))
  :rule-classes
  ((:forward-chaining :trigger-terms ((amb?-declon/stmt-kind x)))))