(parstate->tokens-length parstate) → length
Function:
(defun parstate->tokens-length (parstate) (declare (xargs :stobjs (parstate))) (declare (xargs :guard t)) (let ((__function__ 'parstate->tokens-length)) (declare (ignorable __function__)) (mbe :logic (if (parstatep parstate) (raw-parstate->tokens-length parstate) 1) :exec (raw-parstate->tokens-length parstate))))
Theorem:
(defthm natp-of-parstate->tokens-length (b* ((length (parstate->tokens-length parstate))) (natp length)) :rule-classes :rewrite)
Theorem:
(defthm parstate->tokens-length-of-parstate-fix-parstate (equal (parstate->tokens-length (parstate-fix parstate)) (parstate->tokens-length parstate)))
Theorem:
(defthm parstate->tokens-length-parstate-equiv-congruence-on-parstate (implies (parstate-equiv parstate parstate-equiv) (equal (parstate->tokens-length parstate) (parstate->tokens-length parstate-equiv))) :rule-classes :congruence)