Get the ctx field from a sd-problem.
(sd-problem->ctx x) → ctx
This is an ordinary field accessor created by defprod.
Function:
(defun sd-problem->ctx$inline (x) (declare (xargs :guard (sd-problem-p x))) (declare (xargs :guard t)) (let ((__function__ 'sd-problem->ctx)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (vl-context1-fix (cdr (cdr (cdr (cdr x)))))) :exec (cdr (cdr (cdr (cdr x)))))))
Theorem:
(defthm vl-context1-p-of-sd-problem->ctx (b* ((ctx (sd-problem->ctx$inline x))) (vl-context1-p ctx)) :rule-classes :rewrite)
Theorem:
(defthm sd-problem->ctx$inline-of-sd-problem-fix-x (equal (sd-problem->ctx$inline (sd-problem-fix x)) (sd-problem->ctx$inline x)))
Theorem:
(defthm sd-problem->ctx$inline-sd-problem-equiv-congruence-on-x (implies (sd-problem-equiv x x-equiv) (equal (sd-problem->ctx$inline x) (sd-problem->ctx$inline x-equiv))) :rule-classes :congruence)