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1. • CommentRowNumber1.
   • CommentAuthornLab edit announcer
   • CommentTimeMay 8th 2021
   • PermaLink
   Author: nLab edit announcer
   Format: MarkdownItexPage created, but author did not leave any comments. Anonymous <a href="https://ncatlab.org/nlab/revision/quadratic+irrational+number/1">v1</a>, <a href="https://ncatlab.org/nlab/show/quadratic+irrational+number">current</a>

   Page created, but author did not leave any comments.

   Anonymous

   v1, current

2. • CommentRowNumber2.
   • CommentAuthornLab edit announcer
   • CommentTimeMay 9th 2021
   • PermaLink
   Author: nLab edit announcer
   Format: MarkdownItexThe quadratic numbers isn't even closed under addition, $\sqrt{2}+\sqrt{3}+\sqrt{5}$ is not a quadratic number according to this definition. Anonymous <a href="https://ncatlab.org/nlab/revision/quadratic+irrational+number/1">v1</a>, <a href="https://ncatlab.org/nlab/show/quadratic+irrational+number">current</a>

   The quadratic numbers isn’t even closed under addition, $\sqrt{2}+\sqrt{3}+\sqrt{5}$ is not a quadratic number according to this definition.

   Anonymous

   v1, current