links for 2007-07-23

  • [I]t would be fair to say that arguments like Gödel’s against ‘the reality of time’ can be matched by similar arguments against ‘the reality of space’. The real question is: What is the physical significance of such models? […] To use the existence of a class of models with closed time-like world lines as an argument against the concept of time, without a shred of evidence that such models apply to any physical phenomena, is an example of that fetishism of mathematics, to which some Platonists are so prone.

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