7 ideas
13832 | Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking] |
17644 | Metaphysical realism is committed to there being one ultimate true theory [Putnam] |
17648 | It is an illusion to think there could be one good scientific theory of reality [Putnam] |
13128 | 'Ultimate sortals' cannot explain ontological categories [Westerhoff on Wiggins] |
17643 | Shape is essential relative to 'statue', but not essential relative to 'clay' [Putnam] |
17642 | The old view that sense data are independent of mind is quite dotty [Putnam] |
17645 | An alien might think oxygen was the main cause of a forest fire [Putnam] |