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Paramdeclor

Paramdeclor-kind

Get the kind (tag) of a paramdeclor structure.

Signature
(paramdeclor-kind x) → kind
Arguments: x — Guard (paramdeclorp x).

Definitions and Theorems

Function: paramdeclor-kind$inline

(defun paramdeclor-kind$inline (x)
  (declare (xargs :guard (paramdeclorp x)))
  (let ((__function__ 'paramdeclor-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((eq (car x) :declor) :declor)
                      ((eq (car x) :absdeclor) :absdeclor)
                      ((or (atom x) (eq (car x) :none)) :none)
                      (t :ambig))
         :exec (car x))))

Theorem: paramdeclor-kind-possibilities

(defthm paramdeclor-kind-possibilities
  (or (equal (paramdeclor-kind x) :declor)
      (equal (paramdeclor-kind x) :absdeclor)
      (equal (paramdeclor-kind x) :none)
      (equal (paramdeclor-kind x) :ambig))
  :rule-classes
  ((:forward-chaining :trigger-terms ((paramdeclor-kind x)))))