Logic Puzzle: The Joy of Recursion
&gt;Puzzle 2: The Lying Legislators<p>I believe this is the same question as the Blue Eyes one from XKCD [1], though with a more coherent premise.<p>1. <a href="https:&#x2F;&#x2F;xkcd.com&#x2F;blue_eyes.html" rel="nofollow">https:&#x2F;&#x2F;xkcd.com&#x2F;blue_eyes.html</a>