Get the checkpoints field from a parstate.
This is an ordinary field accessor created by fty::defprod.
Function:
(defun parstate->checkpoints$inline (x) (declare (xargs :guard (parstatep x))) (declare (xargs :guard t)) (let ((__function__ 'parstate->checkpoints)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (acl2::nat-list-fix (cdr (std::da-nth 7 x)))) :exec (cdr (std::da-nth 7 x)))))
Theorem:
(defthm nat-listp-of-parstate->checkpoints (b* ((checkpoints (parstate->checkpoints$inline x))) (nat-listp checkpoints)) :rule-classes :rewrite)
Theorem:
(defthm parstate->checkpoints$inline-of-parstate-fix-x (equal (parstate->checkpoints$inline (parstate-fix x)) (parstate->checkpoints$inline x)))
Theorem:
(defthm parstate->checkpoints$inline-parstate-equiv-congruence-on-x (implies (parstate-equiv x x-equiv) (equal (parstate->checkpoints$inline x) (parstate->checkpoints$inline x-equiv))) :rule-classes :congruence)