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    • 4vs-constructors

    4vs-buf

    (4vs-buf a) constructs a 4v-sexpr equivalent to (buf a).

    Definitions and Theorems

    Function: 4vs-buf

    (defun 4vs-buf (a)
      (declare (xargs :guard t))
      (b* (((when (atom a))
            (if a (hons-list 'buf a) nil))
           (fn (car a)))
        (case fn
          ((f t x
              buf not and or xor iff ite ite* pullup)
           a)
          (t (hons-list 'buf a)))))

    Theorem: 4v-sexpr-eval-of-4vs-buf

    (defthm 4v-sexpr-eval-of-4vs-buf
      (equal (4v-sexpr-eval (4vs-buf a) env)
             (4v-unfloat (4v-sexpr-eval a env))))

    Theorem: 4v-sexpr-vars-of-4vs-buf

    (defthm 4v-sexpr-vars-of-4vs-buf
      (equal (4v-sexpr-vars (4vs-buf a))
             (4v-sexpr-vars a)))