Get the vartys field from a gout.
(gout->vartys x) → vartys
This is an ordinary field accessor created by fty::defprod.
Function:
(defun gout->vartys$inline (x) (declare (xargs :guard (goutp x))) (declare (xargs :guard t)) (let ((__function__ 'gout->vartys)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (c::ident-type-map-fix (cdr (std::da-nth 3 x)))) :exec (cdr (std::da-nth 3 x)))))
Theorem:
(defthm ident-type-mapp-of-gout->vartys (b* ((vartys (gout->vartys$inline x))) (c::ident-type-mapp vartys)) :rule-classes :rewrite)
Theorem:
(defthm gout->vartys$inline-of-gout-fix-x (equal (gout->vartys$inline (gout-fix x)) (gout->vartys$inline x)))
Theorem:
(defthm gout->vartys$inline-gout-equiv-congruence-on-x (implies (gout-equiv x x-equiv) (equal (gout->vartys$inline x) (gout->vartys$inline x-equiv))) :rule-classes :congruence)