List questions from ultrafinitism

Published on 06 Dec 2018 - 19:25

712

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Is an ultrafinitist way around Gödel incompleteness theorems?

Published on 21 Feb 2020 - 16:59

87

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Can there be a number which is provably larger than any number, yet is provably not infinite

Published on 01 Oct 2016 - 18:37

677

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Did some ultra-finitists suggest which number should be the largest?

Published on 09 Jan 2017 - 18:12

50

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Stronger notion of ultrafinite incompleteness

Published on 22 Aug 2023 - 21:56

850

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Math that does not have infinity

Published on 22 Mar 2026 - 1:16

475

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Zeilberger's potential proof of Fermat's last theorem.

Published on 22 Apr 2015 - 2:39

180

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How much arithmetic can Predicative Second-Order EFA do?

Published on 01 Dec 2013 - 15:49

189

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How do we distinguish between characteristic 0 and characteristic p for very large p?

Published on 31 Jan 2014 - 20:42

380

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Book on ultrafinitism?

Published on 18 Dec 2017 - 1:21

5.8k

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$e^{e^{e^{79}}}$ and ultrafinitism

Published on 24 Mar 2026 - 5:39

1.1k

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Ultrafinitism and the denial of existence of $\lfloor e^{e^{e^{79}}} \rfloor$

Published on 24 Mar 2026 - 16:03

523

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What do ultrafinitists think about Graham's number?

Published on 23 Mar 2026 - 22:15

List Question

How is ultrafinitism imprecise?

Is an ultrafinitist way around Gödel incompleteness theorems?

Can there be a number which is provably larger than any number, yet is provably not infinite

Did some ultra-finitists suggest which number should be the largest?

Stronger notion of ultrafinite incompleteness

Math that does not have infinity

Zeilberger's potential proof of Fermat's last theorem.

How much arithmetic can Predicative Second-Order EFA do?

How do we distinguish between characteristic 0 and characteristic p for very large p?

Book on ultrafinitism?

$e^{e^{e^{79}}}$ and ultrafinitism

Ultrafinitism and the denial of existence of $\lfloor e^{e^{e^{79}}} \rfloor$

What do ultrafinitists think about Graham's number?

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