Finite Sholander Trees, Trees, and their Betweenness

Vašek Chvátal, Dieter Rautenbach, Philipp Matthias Schäfer

We provide a proof of Sholander's claim (Trees, lattices, order, and betweenness, Proc. Amer. Math. Soc. 3, 369-381 (1952)) concerning the representability of collections of so-cal…