(May 11, 2014 at 12:37 pm)Chad32 Wrote: I've never heard the term casual closure. As far as physical history goes, Many things once called magic have been found to come from natural causes. The more we know, the more we understand without using magic to explain it.
Actually he said "causal closure" not "casual closure" ( which does sound far more interesting, though.) The former is mere philosophical mumbo-jumbo.