		Search-engine friendly clone of the ACL2 documentation.

Senv

Senvp

Recognizer for senv structures.

Signature
(senvp x) → *

Definitions and Theorems

Function: senvp

(defun senvp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'senvp))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :senv)
         (mbe :logic (and (alistp (cdr x))
                          (equal (strip-cars (cdr x))
                                 '(identifiers)))
              :exec (fty::alist-with-carsp (cdr x)
                                           '(identifiers)))
         (b* ((identifiers (cdr (std::da-nth 0 (cdr x)))))
           (ident-senvp identifiers)))))

Theorem: consp-when-senvp

(defthm consp-when-senvp
  (implies (senvp x) (consp x))
  :rule-classes :compound-recognizer)