Christian Lawson-Perfect<p><span class="h-card" translate="no"><a href="https://hachyderm.io/@simontatham" class="u-url mention">@<span>simontatham</span></a></span> This doesn&#39;t quite scan:</p><p>The square root of 2 is irrational<br />Say teachers both local and national<br />If it&#39;s v over u,<br />Square and count powers of two,<br />They&#39;re different but can&#39;t be so dash it all!</p><p><a href="https://mathstodon.xyz/tags/ProofInALimerick" class="mention hashtag" rel="tag">#<span>ProofInALimerick</span></a> <a href="https://mathstodon.xyz/tags/ProofInAToot" class="mention hashtag" rel="tag">#<span>ProofInAToot</span></a></p>