Get the compst-var field from a stmt-gin.
This is an ordinary field accessor created by fty::defprod.
Function:
(defun stmt-gin->compst-var$inline (x) (declare (xargs :guard (stmt-ginp x))) (declare (xargs :guard t)) (let ((__function__ 'stmt-gin->compst-var)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (symbol-fix (cdr (std::da-nth 8 x)))) :exec (cdr (std::da-nth 8 x)))))
Theorem:
(defthm symbolp-of-stmt-gin->compst-var (b* ((compst-var (stmt-gin->compst-var$inline x))) (symbolp compst-var)) :rule-classes :rewrite)
Theorem:
(defthm stmt-gin->compst-var$inline-of-stmt-gin-fix-x (equal (stmt-gin->compst-var$inline (stmt-gin-fix x)) (stmt-gin->compst-var$inline x)))
Theorem:
(defthm stmt-gin->compst-var$inline-stmt-gin-equiv-congruence-on-x (implies (stmt-gin-equiv x x-equiv) (equal (stmt-gin->compst-var$inline x) (stmt-gin->compst-var$inline x-equiv))) :rule-classes :congruence)