TY - JOUR T1 - Russell and the Materialist Principle of Logically Possible Worlds JF - Organon F Y1 - 2018 A1 - Dejnožka, Jan IS - 2 VL - 25 SP - 265-278 UR - http://www.klemens.sav.sk/fiusav/doc/organon/2018/2/265-278.pdf U2 - Discussions U3 - 265278 TI - Russell and the Materialist Principle of Logically Possible Worlds ER -