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Jul 11, 2022 at 0:34 answer added Fedor Pakhomov timeline score: 7
Jul 10, 2022 at 22:04 comment added Fedor Pakhomov Sure, I have posted an answer with a reference to the answer to the question of Geoffrey.
Jul 10, 2022 at 21:58 comment added Joel David Hamkins @GeoffreyIrving Evidently Fedor had posted here first, and then deleted and posted over on your answer. I guess it makes sense, Fedor, to post in both places, or at least post an answer here pointing over there. I am still hoping, however, for a truly elementary self-contained example.
Jul 10, 2022 at 21:39 comment added Geoffrey Irving @FedorPakhomov: Want to add that as an answer, since you found the proof?
Jul 10, 2022 at 21:35 history edited Joel David Hamkins CC BY-SA 4.0
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Jul 10, 2022 at 21:29 history edited Joel David Hamkins CC BY-SA 4.0
added 262 characters in body
Jul 10, 2022 at 20:34 history became hot network question
Jul 10, 2022 at 19:54 comment added Fedor Pakhomov I have posted a proof that the set of primes isn't implicitly definable over naturals with successor as an answer to the question of Geoffrey Irving.
Jul 10, 2022 at 19:36 answer added Fedor Pakhomov timeline score: 6
Jul 10, 2022 at 15:53 answer added Noah Schweber timeline score: 5
Jul 10, 2022 at 12:47 history edited Joel David Hamkins CC BY-SA 4.0
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Jul 10, 2022 at 12:33 history asked Joel David Hamkins CC BY-SA 4.0