Get the init? field from a jfield.
(jfield->init? x) → init?
This is an ordinary field accessor created by fty::defprod.
Function:
(defun jfield->init?$inline (x) (declare (xargs :guard (jfieldp x))) (declare (xargs :guard t)) (let ((__function__ 'jfield->init?)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (maybe-jexpr-fix (cdr (std::da-nth 7 x)))) :exec (cdr (std::da-nth 7 x)))))
Theorem:
(defthm maybe-jexprp-of-jfield->init? (b* ((init? (jfield->init?$inline x))) (maybe-jexprp init?)) :rule-classes :rewrite)
Theorem:
(defthm jfield->init?$inline-of-jfield-fix-x (equal (jfield->init?$inline (jfield-fix x)) (jfield->init?$inline x)))
Theorem:
(defthm jfield->init?$inline-jfield-equiv-congruence-on-x (implies (jfield-equiv x x-equiv) (equal (jfield->init?$inline x) (jfield->init?$inline x-equiv))) :rule-classes :congruence)