Fixtype of (ATC's model of) arrays of type
This is a product type introduced by fty::defprod.
The following invariant is enforced on the fields:
(and (type-case elemtype :ulong) (consp elements))
Theorem:
(defthm ulong-arrayp-alt-def (equal (ulong-arrayp x) (and (valuep x) (value-case x :array) (equal (value-array->elemtype x) (type-ulong)) (ulong-listp (value-array->elements x)))))
Theorem:
(defthm ulong-array->elements-alt-def (implies (ulong-arrayp array) (equal (ulong-array->elements array) (value-array->elements array))))