Two-dimensional example of a <a href="https://en.wikipedia.org/wiki/distributive_polytope" class="extiw" title="en:distributive polytope">en:distributive polytope</a>. The polygon (1,1) / (2,5) / (3,6) / (7,7) / (6,3) / (2,2) / (1,1) is not convex, but satisfies the definition from Felsner.Knauer.2019<sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup> p.45.
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<ol class="references"><li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><cite style="font-style:normal">Stefan Felsner and Kolja Knauer (Jan 2011). "<a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/S0195669810001071">Distributive lattices, polyhedra, and generalized flows</a>". <i>European Journal of Combinatorics</i> <b>32</b>: 45–59.</cite></span>
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<a href="//commons.wikimedia.org/wiki/User:Jochen_Burghardt" title="User:Jochen Burghardt">Jochen Burghardt</a>
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