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Aug 18, 2021 at 12:02 history edited Paul Blain Levy CC BY-SA 4.0
added 20 characters in body
Aug 18, 2021 at 11:53 history edited Paul Blain Levy CC BY-SA 4.0
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Aug 18, 2021 at 11:41 history edited Paul Blain Levy CC BY-SA 4.0
added 70 characters in body
Aug 17, 2021 at 20:42 history edited Paul Blain Levy CC BY-SA 4.0
added 8 characters in body
Aug 17, 2021 at 20:39 comment added Paul Blain Levy Thanks to everyone that helped, either by suggesting possible answers, or by pointing out that various $\Pi^1_1$ sentences suggested by me or others did in fact have a known reduction to an arithmetical sentence.
Aug 17, 2021 at 20:37 history edited Paul Blain Levy CC BY-SA 4.0
added 8 characters in body
Aug 17, 2021 at 20:32 history edited Paul Blain Levy CC BY-SA 4.0
deleted 30 characters in body
Aug 17, 2021 at 16:20 history made wiki Post Made Community Wiki by Stefan Kohl
Aug 17, 2021 at 13:47 vote accept Paul Blain Levy
Aug 17, 2021 at 13:45 history edited Paul Blain Levy CC BY-SA 4.0
added 197 characters in body
Aug 17, 2021 at 13:22 history answered Paul Blain Levy CC BY-SA 4.0