Get the kind (tag) of a declon/stmt structure.
(declon/stmt-kind x) → kind
Function:
(defun declon/stmt-kind$inline (x) (declare (xargs :guard (declon/stmt-p x))) (mbe :logic (cond ((or (atom x) (eq (car x) :declon)) :declon) (t :stmt)) :exec (car x)))
Theorem:
(defthm declon/stmt-kind-possibilities (or (equal (declon/stmt-kind x) :declon) (equal (declon/stmt-kind x) :stmt)) :rule-classes ((:forward-chaining :trigger-terms ((declon/stmt-kind x)))))