Get the main field from a atj-function-type-info.
(atj-function-type-info->main x) → main
This is an ordinary field accessor created by fty::defprod.
Function:
(defun atj-function-type-info->main$inline (x) (declare (xargs :guard (atj-function-type-info-p x))) (declare (xargs :guard t)) (let ((__function__ 'atj-function-type-info->main)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (atj-function-type-fix (std::da-nth 0 x))) :exec (std::da-nth 0 x))))
Theorem:
(defthm atj-function-type-p-of-atj-function-type-info->main (b* ((main (atj-function-type-info->main$inline x))) (atj-function-type-p main)) :rule-classes :rewrite)
Theorem:
(defthm atj-function-type-info->main$inline-of-atj-function-type-info-fix-x (equal (atj-function-type-info->main$inline (atj-function-type-info-fix x)) (atj-function-type-info->main$inline x)))
Theorem:
(defthm atj-function-type-info->main$inline-atj-function-type-info-equiv-congruence-on-x (implies (atj-function-type-info-equiv x x-equiv) (equal (atj-function-type-info->main$inline x) (atj-function-type-info->main$inline x-equiv))) :rule-classes :congruence)