tv interview nearly false ref name hanfling oswald hanfling ch logical positivism stuart g shanker ''philosophy science logic mathematics twentieth century'' london routledge https booksgooglecom booksid jizt ilic pg pa pp ref continued influence philosophy development arguing rejections scholastic philosopher edward feser held hume 's critique metaphysics specifically hume 's fork notoriously self refuting feser argues hume 's fork conceptual truth empirically testable living philosophers amie thomasson argued many metaphysical questions dissolved looking
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