The interesting hypothesis is that freedom comes from duplication of systems from determinacy. ⇒ Duplication Rule
Niklas Luhmann: That actually has the very concrete background, of a friend who has since died, who tried to do exactly that. It was about putting a kind of metaphysical Poetry (at least that's my idea, which came out of my theory, he died at 79, so early seventies or even earlier, we knew each other since student days) into a linguistic form.