Noah S

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Name Noah S
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I'm a graduate student at UC Berkeley, studying mathematical logic. I'm especially interested in reverse mathematics and abstract model theory.
38

Questions
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Fermat’s Last Theorem and Computability Theory

dec 23 10 at 21:51 Pete L. Clark 39.6k●3●102●225

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2-colorings of the reals

dec 16 11 at 1:17 Amit Kumar Gupta 2,909●10●26

 

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A limit to Shoenfield Absoluteness

aug 3 11 at 16:49 Noah S 3,840●6●24

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40

Answers
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14
Similarities between Post’s Problem and Cohen’s Forcing
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Road to Solovay’s Land.
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Is there any proof that you feel you do not “understand”?
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A Model where Dedekind Reals and Cauchy Reals are Different
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How are Modal Logic and Graph Theory related?
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Notation arb(x)
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Self-containing structures
7
A question about Universal sets.
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Are the two meanings of “undecidable” related?
6
Question on Godel completeness theorem
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The set of $\Delta_1$ indices
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Undecidable completion of undecidable theory, and pairs of RCF
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Moschovakis Coding Lemma
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A question about Second-Order ZFC and the Continuum Hypothesis
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Examples of conjectures that were widely believed to be true but later proved false
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ULTRAINFINITISM, or a step beyond the transfinite
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Games that never begin
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A (seem to be) elementary logic question
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Elementary submodels of V
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Set theory question
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Forcing over models without the axiom of choice
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Is deciding whether a Turing machine *provably* runs forever equivalent to the halting problem?
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$(<\kappa)$-closure for Prikry forcing
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Statement of consistency in Godel’s second incompleteness theorem
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Cardinality of a certain set of distinct subsets of $\mathbb{N}$
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Composite pairs of the form n!-1 and n!+1
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Basic results with three or more hypotheses
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A question about formulating first order axioms for group theory.
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Is it necessary that gcd > 1 of an infinite set?
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A question about the Axiom of Choice and straight lines in the Euclidean plane.
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