Get the unwrap field from a specqual-tyspec.
(specqual-tyspec->unwrap x) → unwrap
This is an ordinary field accessor created by fty::defprod.
Function:
(defun specqual-tyspec->unwrap$inline (x) (declare (xargs :guard (specqualp x))) (declare (xargs :guard (equal (specqual-kind x) :tyspec))) (let ((__function__ 'specqual-tyspec->unwrap)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (specqual-kind x) :tyspec) x))) (type-spec-fix (std::da-nth 0 (cdr x)))) :exec (std::da-nth 0 (cdr x)))))
Theorem:
(defthm type-specp-of-specqual-tyspec->unwrap (b* ((unwrap (specqual-tyspec->unwrap$inline x))) (type-specp unwrap)) :rule-classes :rewrite)
Theorem:
(defthm specqual-tyspec->unwrap$inline-of-specqual-fix-x (equal (specqual-tyspec->unwrap$inline (specqual-fix x)) (specqual-tyspec->unwrap$inline x)))
Theorem:
(defthm specqual-tyspec->unwrap$inline-specqual-equiv-congruence-on-x (implies (specqual-equiv x x-equiv) (equal (specqual-tyspec->unwrap$inline x) (specqual-tyspec->unwrap$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm specqual-tyspec->unwrap-when-wrong-kind (implies (not (equal (specqual-kind x) :tyspec)) (equal (specqual-tyspec->unwrap x) (type-spec-fix nil))))