[lit-ideas] Re: falsifiability falsified?

  • From: Robert Paul <rpaul@xxxxxxxx>
  • To: lit-ideas@xxxxxxxxxxxxx
  • Date: Sun, 03 Feb 2008 13:48:48 -0800

Walter mysteriously wrote

given (i[f] p then q) and not-q, it follows that not-q.

Maybe in some possible world it does but not in this one. It does seem clear however that 'not-q' entails 'not-q,' one of the more notable advances in logic since Chrysippus.

Robert Paul

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