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Symbol-value

Symbol-value->package

Get the package field from a symbol-value.

Signature
(symbol-value->package x) → package
Arguments: x — Guard (symbol-valuep x).
Returns: package — Type (stringp package).

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

Definitions and Theorems

Function: symbol-value->package$inline

(defun symbol-value->package$inline (x)
  (declare (xargs :guard (symbol-valuep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'symbol-value->package))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (str-fix (cdr (std::da-nth 0 x))))
         :exec (cdr (std::da-nth 0 x)))))

Theorem: stringp-of-symbol-value->package

(defthm stringp-of-symbol-value->package
  (b* ((package (symbol-value->package$inline x)))
    (stringp package))
  :rule-classes :rewrite)

Theorem: symbol-value->package$inline-of-symbol-value-fix-x

(defthm symbol-value->package$inline-of-symbol-value-fix-x
  (equal (symbol-value->package$inline (symbol-value-fix x))
         (symbol-value->package$inline x)))

Theorem: symbol-value->package$inline-symbol-value-equiv-congruence-on-x

(defthm
    symbol-value->package$inline-symbol-value-equiv-congruence-on-x
  (implies (symbol-value-equiv x x-equiv)
           (equal (symbol-value->package$inline x)
                  (symbol-value->package$inline x-equiv)))
  :rule-classes :congruence)