This is a fascinating article (with two preceding parts) though I think I need to read it several time more to get a better idea of what it really means:-http://plus.maths.org/content/john-conway-discovering-free-will-part-iii-It uses purely mathematics and physics assumptions but ends up with a conclusion about free will being ubiquitous, and distinguishes free will from indeterminacy or randomness. -I can't help but feel there must be an error of reasoning somewhere, but if anyone is capable of correct logic it must be Conway.