Bitwise complement of a value of type
Function:
(defun bitnot-uchar (x) (declare (xargs :guard (and (ucharp x)))) (bitnot-sint (sint-from-uchar x)))
Theorem:
(defthm sintp-of-bitnot-uchar (sintp (bitnot-uchar x)))
Theorem:
(defthm bitnot-uchar-of-uchar-fix-x (equal (bitnot-uchar (uchar-fix x)) (bitnot-uchar x)))
Theorem:
(defthm bitnot-uchar-uchar-equiv-congruence-on-x (implies (uchar-equiv x x-equiv) (equal (bitnot-uchar x) (bitnot-uchar x-equiv))) :rule-classes :congruence)