In its philosophical usage the concept of form indicates the entity that makes possible the relationship between orderer and ordered at the origin of all knowledge. In a classic perspective metaphysical form preceded ethical decision: the "forming" intervention consisted, in the discovery or recognition of ontological structures of reality, substantially unchangeable by human beings. If ethical form was a subsection of general ontology, ethical decision was merely its mirror image. In this context, an ex nihilo decision was truly unthinkable. But the modern emergence of the is-ought problem, i.