Axiomatization and Undecidability Results for Metrizable Betweeness Relations

Autor:	Mendris, Robert, Zlatoš, Pavol
Zdroj:	Proceedings of the American Mathematical Society, 1995 Mar 01. 123(3), 873-882.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2160813 Zobrazit plný text záznamu