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Logic&Meta: Michaela McSweeny

December 7, 2015 @ 4:15 am - 6:15 pm

The Logic and Metaphysics Workshop for the Fall Semester will start at the end of August. The New York Logic and Philosophy Group will no longer exist as a separate entity, but will be absorbed into the Workshop.

The Workshop will meet this semester on Mondays, 4.15-6-15, usually at the GC, though sometimes meetings may be at other places. The meetings are open to all interested. Please feel free to pass this announcement on.

The Logic & Metaphysics workshop is organized by Graham Priest.

Michaela McSweeney, Princeton

Monday 7 December, 4.15-6.15

Room C196.06, Graduate Center, CUNY. [In the basement of the Library]

Theoretical Equivalence and Ontological Realism

Abstract: This paper has two distinct, but intimately related, goals. First, I propose a test for the metaphysical inequivalence of two theories. I show that this test occupies an important middle ground among other criteria of equivalence and inequivalence that have been proposed, which, I argue, are either too weak, too strong, or are subject to a serious epistemic problem. Second, I argue that, given certain commonassumptions, the test rules out the claim that universalism and nihilism about composition could be equivalent, and that it does so without appeal to any potentially “metaphysically spooky” notions like Lewisian naturalness, fundamentality, or grounding. Hence, it gives us a way to respond to Hirsch’s arguments for quantifier variance that is much more metaphysically neutral than Sider’s response is. I end by briefly discussing how the quantifier variantist who is also a metaphysical realist might respond, and what this suggests about how we should think about the relationship between our metaphysical and our logical commitments.

Details

Date:
December 7, 2015
Time:
4:15 am - 6:15 pm
Event Categories:
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Venue

Graduate Center, City University of New York
65 Fifth Avenue, New York City United States

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