Recognize valid values of the
(input-files-process-inputp x) → yes/no
Function:
(defun input-files-process-inputp (x) (declare (xargs :guard t)) (let ((__function__ 'input-files-process-inputp)) (declare (ignorable __function__)) (and (member-eq x '(:parse :disambiguate :validate)) t)))
Theorem:
(defthm booleanp-of-input-files-process-inputp (b* ((yes/no (input-files-process-inputp x))) (booleanp yes/no)) :rule-classes :rewrite)