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Secp256k1-pub-key-p

Recognizer for secp256k1-pub-key.

Function: secp256k1-pub-key-p

(defun secp256k1-pub-key-p (x)
  (declare (xargs :guard t))
  (and (secp256k1-pointp x)
       (not (secp256k1-point-infinityp x))))

Theorem: booleanp-of-secp256k1-pub-key-p

(defthm booleanp-of-secp256k1-pub-key-p
  (b* ((yes/no (secp256k1-pub-key-p x)))
    (booleanp yes/no))
  :rule-classes :rewrite)

Theorem: secp256k1-pointp-when-secp256k1-pub-key-p

(defthm secp256k1-pointp-when-secp256k1-pub-key-p
  (implies (secp256k1-pub-key-p x)
           (secp256k1-pointp x)))