Arthur Fischer

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Name	Arthur Fischer
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Two versions of “absolutely ccc”

forcing set-theory lo.logic

may 3 at 11:22 MathOverflow♦ 1●2●3

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Can there be an almost-special not-fully-special Aronszajn tree?

set-theory forcing lo.logic

mar 26 12 at 7:36 Joel David Hamkins 74.7k●7●187●343

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From very many sets of fixed measure in a probability space, can we select many that have a positive intersection?

co.combinatorics pr.probability ramsey-theory reference-request

sep 29 at 21:23 Jakob Kellner 121●4