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Decl

Decl-kind

Get the kind (tag) of a decl structure.

Signature
(decl-kind x) → kind
Arguments: x — Guard (declp x).

Definitions and Theorems

Function: decl-kind$inline

(defun decl-kind$inline (x)
  (declare (xargs :guard (declp x)))
  (mbe :logic (cond ((eq (car x) :decl) :decl)
                    (t :statassert))
       :exec (car x)))

Theorem: decl-kind-possibilities

(defthm decl-kind-possibilities
 (or (equal (decl-kind x) :decl)
     (equal (decl-kind x) :statassert))
 :rule-classes ((:forward-chaining :trigger-terms ((decl-kind x)))))