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1. • CommentRowNumber1.
   • CommentAuthorjesse
   • CommentTimeJun 17th 2017
   • PermaLink
   Author: jesse
   Format: MarkdownItexI wrote down some standard facts about nonstandard models of [[Peano arithmetic]] at [[nonstandard model of arithmetic]], and spelled out two proofs (really the same proof) that the ordering on the nonstandard part is always dense.

   I wrote down some standard facts about nonstandard models of Peano arithmetic at nonstandard model of arithmetic, and spelled out two proofs (really the same proof) that the ordering on the nonstandard part is always dense.

2. • CommentRowNumber2.
   • CommentAuthorTodd_Trimble
   • CommentTimeJun 17th 2017
   • PermaLink
   Author: Todd_Trimble
   Format: MarkdownItexjesse, this is all very nice -- thanks!

   jesse, this is all very nice – thanks!

3. • CommentRowNumber3.
   • CommentAuthornLab edit announcer
   • CommentTimeJun 16th 2020
   • PermaLink
   Author: nLab edit announcer
   Format: MarkdownItexReplaced dead link. Anonymous <a href="https://ncatlab.org/nlab/revision/diff/nonstandard+model+of+arithmetic/6">diff</a>, <a href="https://ncatlab.org/nlab/revision/nonstandard+model+of+arithmetic/6">v6</a>, <a href="https://ncatlab.org/nlab/show/nonstandard+model+of+arithmetic">current</a>

   Replaced dead link.

   Anonymous

   diff, v6, current