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Jan 17 '12 at 2:17 comment added xtian While I can't take credit for making the allusion #3 is a tautology. And in the author's defense, he does admit the statement will not sit well with some physicists. As a neophyte, I appreciate what I perceive as a progression from tautology: (true) human rules of physics must take a form consistent with humans ruled by (true) physics --versus-- human rules of physics must take a form consistent with humans existing in an evolving physics.
Jan 15 '12 at 11:29 comment added Rex Kerr You're not suggesting (3) is a tautology, is it? Not only is it not, it is probably not even true. (Swapping an existential quantifier for a universal one is not a tautology.)
Jan 15 '12 at 0:37 comment added Joseph Weissman +1; this makes me think about certain relationships in mathematics, for which some formulations may seem "trivial" or "obvious", whereas an equivalent formulation might appear much less so.
Jan 14 '12 at 23:57 history answered xtian CC BY-SA 3.0