Get the decl field from a declor.
(declor->decl x) → decl
This is an ordinary field accessor created by fty::defprod.
Function:
(defun declor->decl$inline (x) (declare (xargs :guard (declorp x))) (declare (xargs :guard t)) (let ((__function__ 'declor->decl)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (dirdeclor-fix (cdr (std::da-nth 1 x)))) :exec (cdr (std::da-nth 1 x)))))
Theorem:
(defthm dirdeclorp-of-declor->decl (b* ((decl (declor->decl$inline x))) (dirdeclorp decl)) :rule-classes :rewrite)
Theorem:
(defthm declor->decl$inline-of-declor-fix-x (equal (declor->decl$inline (declor-fix x)) (declor->decl$inline x)))
Theorem:
(defthm declor->decl$inline-declor-equiv-congruence-on-x (implies (declor-equiv x x-equiv) (equal (declor->decl$inline x) (declor->decl$inline x-equiv))) :rule-classes :congruence)