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Param-declor

Param-declor-kind

Get the kind (tag) of a param-declor structure.

Signature
(param-declor-kind x) → kind
Arguments: x — Guard (param-declorp x).

Definitions and Theorems

Function: param-declor-kind$inline

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

Theorem: param-declor-kind-possibilities

(defthm param-declor-kind-possibilities
  (or (equal (param-declor-kind x)
             :nonabstract)
      (equal (param-declor-kind x) :abstract)
      (equal (param-declor-kind x) :none)
      (equal (param-declor-kind x) :ambig))
  :rule-classes
  ((:forward-chaining :trigger-terms ((param-declor-kind x)))))