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On What There Is

On What There Is. Kareem Khalifa Philosophy Department Middlebury College. Overview. Plato’s Beard Trimming Plato’s Beard Speaking of Nothing Do Meanings Exist? Bound Variables Mathematics & Reality. I. Plato’s Beard. II. Trimming Plato’s Beard. Big Picture Ideas

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On What There Is

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  1. On What There Is Kareem Khalifa Philosophy Department Middlebury College

  2. Overview • Plato’s Beard • Trimming Plato’s Beard • Speaking of Nothing • Do Meanings Exist? • Bound Variables • Mathematics & Reality

  3. I. Plato’s Beard

  4. II. Trimming Plato’s Beard • Big Picture • Ideas • Unactualized Possibilities, 1 • Unactualized Possibilities, 2

  5. III. Speaking of nothing • Russell • Proper names

  6. IV. Meanings • McX • Quine vs. McX

  7. V. Bound variables

  8. Example Frida

  9. VI. Mathematics and reality • Realism • Conceptualism • Nominalism

  10. Recap • If Plato’s Beard were a sound argument, non-existence would be impossible. • Since that seems like a crazy thing to say, Quine suggests that there is a linguistic confusion underlying such a claim. • Using the case of mathematics, Quine suggests how simplicity and other explanatory considerations can either favor or discourage certain ontological commitments—just as we saw in Brock and Mares.

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