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Comments on Minimal non-standard number in non-standard models of PA

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Minimal non-standard number in non-standard models of PA

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Excuse me, if the question sounds too naive.

From Gödel's incompleteness theorem we know that there would be non-standard models where the Gödel sentence would be false. These models will have an initial segment isomorphic to standard natural numbers. Will there be a minimal non-standard number in such models such that every number smaller than it is a standard natural number and every number bigger than it would be non-standard ?

Since non-standard model would be a model of arithmetic then I think there should be a minimal non-standard number, but then maybe my concept is unclear about it. Any help?

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2 comment threads

x-post https://www.reddit.com/r/math/comments/1ap6clo/minimal_nonstandard_number_in_nonstandard_model... (2 comments)
X-post https://www.reddit.com/r/modeltheory/comments/1ap68ix/minimal_nonstandard_number_in_nonstandar... (1 comment)
x-post https://www.reddit.com/r/math/comments/1ap6clo/minimal_nonstandard_number_in_nonstandard_model...
The Amplitwist‭ wrote 9 months ago

This post seems to have been deleted by the moderators of r/math.