A character set for
Function:
(defun nondigit-chars$inline nil (declare (xargs :guard t)) 115792089237316195423570985008687907853269984665640564039457296059011954638847)
Theorem:
(defthm charset-p-of-nondigit-chars (charset-p (nondigit-chars)))
Theorem:
(defthm char-in-charset-p-of-nondigit-chars (equal (char-in-charset-p x (nondigit-chars)) (nondigit-char-p x)))