Abstract Bird’s Ultimate Argument sought to show that Armstrong’s N relationships involving categorical universals can’t entail nomic regularities. In N’s place Bird offered the non-categorical SR relation. Two kinds of objection have been raised: either own alternative metaphysics fails in just same way as or target argument may anyway a out problem. My aim is reclaim victory for Bird. I argue...

We build the first examples of diffeomorphisms that are distorted in a group C1 yet undistorted corresponding C2 diffeomorphisms. This explicit construction is performed for closed interval.