Get the kind (tag) of a partys/declor/ambig structure.
(partys/declor/ambig-kind x) → kind
Function:
(defun partys/declor/ambig-kind$inline (x) (declare (xargs :guard (partys/declor/ambig-p x))) (let ((__function__ 'partys/declor/ambig-kind)) (declare (ignorable __function__)) (mbe :logic (cond ((or (atom x) (eq (car x) :partys)) :partys) ((eq (car x) :declor) :declor) (t :ambig)) :exec (car x))))
Theorem:
(defthm partys/declor/ambig-kind-possibilities (or (equal (partys/declor/ambig-kind x) :partys) (equal (partys/declor/ambig-kind x) :declor) (equal (partys/declor/ambig-kind x) :ambig)) :rule-classes ((:forward-chaining :trigger-terms ((partys/declor/ambig-kind x)))))