Get the final-comma field from a expr-complit.
This is an ordinary field accessor created by fty::defprod.
Function:
(defun expr-complit->final-comma$inline (x) (declare (xargs :guard (exprp x))) (declare (xargs :guard (equal (expr-kind x) :complit))) (let ((__function__ 'expr-complit->final-comma)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (expr-kind x) :complit) x))) (bool-fix (std::da-nth 2 (cdr x)))) :exec (std::da-nth 2 (cdr x)))))
Theorem:
(defthm booleanp-of-expr-complit->final-comma (b* ((final-comma (expr-complit->final-comma$inline x))) (booleanp final-comma)) :rule-classes :rewrite)
Theorem:
(defthm expr-complit->final-comma$inline-of-expr-fix-x (equal (expr-complit->final-comma$inline (expr-fix x)) (expr-complit->final-comma$inline x)))
Theorem:
(defthm expr-complit->final-comma$inline-expr-equiv-congruence-on-x (implies (expr-equiv x x-equiv) (equal (expr-complit->final-comma$inline x) (expr-complit->final-comma$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm expr-complit->final-comma-when-wrong-kind (implies (not (equal (expr-kind x) :complit)) (equal (expr-complit->final-comma x) (bool-fix nil))))