Gregory adopted Wodeham’s theory and tailored it where necessary to his own thought. The complexe significabile, once thought to be Gregory’s invention, is neither the proposition itself, nor individual things in the world, nor the arrangement of things in the world. The exact status of Gregory’s complexe significabile has been much discussed. In a nutshell, there are three main interpretations. The first one builds on Gregory’s claim that the complexe significabile is nothing (nihil), and thus