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Tuesday, January 12, 2016
3:00 PM - 4:30 PM

# Logic Seminar

The countable admissible ordinal equivalence relation, III
William Chan, Graduate Student, Mathematics, Caltech,

In this talk I will show that there is no Borel reduction of an isomorphism relation of a counterexample to Vaught's conjecture to the countable admissible ordinal equivalence relation in set generic extensions of the constructible universe.