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Undocumented

Env$-field-p

This is an ordinary defenum.

Function: env$-field-p

(defun env$-field-p (x)
  (declare (xargs :guard t))
  (or (eq x ':alist)
      (eq x ':bitarr)
      (eq x ':obj-alist)))

Theorem: type-when-env$-field-p

(defthm type-when-env$-field-p
  (implies (env$-field-p x)
           (if (symbolp x)
               (if (not (equal x 't))
                   (not (equal x 'nil))
                 'nil)
             'nil))
  :rule-classes :compound-recognizer)