		Search-engine friendly clone of the ACL2 documentation.

Attrib-name-params

Attrib-name-params->params

Get the params field from a attrib-name-params.

Signature
(attrib-name-params->params x) → params
Arguments: x — Guard (attribp x).
Returns: params — Type (expr-listp params).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: attrib-name-params->params$inline

(defun attrib-name-params->params$inline (x)
  (declare (xargs :guard (attribp x)))
  (declare (xargs :guard (equal (attrib-kind x) :name-params)))
  (mbe :logic
       (b* ((x (and (equal (attrib-kind x) :name-params)
                    x)))
         (expr-list-fix (cdr (cdr x))))
       :exec (cdr (cdr x))))

Theorem: expr-listp-of-attrib-name-params->params

(defthm expr-listp-of-attrib-name-params->params
  (b* ((params (attrib-name-params->params$inline x)))
    (expr-listp params))
  :rule-classes :rewrite)

Theorem: attrib-name-params->params$inline-of-attrib-fix-x

(defthm attrib-name-params->params$inline-of-attrib-fix-x
  (equal (attrib-name-params->params$inline (attrib-fix x))
         (attrib-name-params->params$inline x)))

Theorem: attrib-name-params->params$inline-attrib-equiv-congruence-on-x

(defthm
     attrib-name-params->params$inline-attrib-equiv-congruence-on-x
  (implies (attrib-equiv x x-equiv)
           (equal (attrib-name-params->params$inline x)
                  (attrib-name-params->params$inline x-equiv)))
  :rule-classes :congruence)

Theorem: attrib-name-params->params-when-wrong-kind

(defthm attrib-name-params->params-when-wrong-kind
  (implies (not (equal (attrib-kind x) :name-params))
           (equal (attrib-name-params->params x)
                  (expr-list-fix nil))))