Selder, Dariusz2026-01-092026-01-092001Seminare, 2001, Tom 17, s. 279-283.1232-8766https://theo-logos.pl/handle/123456789/40640This article presents the main ideas of Lukasiewicz’s three-valued logic especially his interpretation of the third value. It is sought to show a philoshophical background of Lukasiewicz’s three-valued modal system that is based on his opinion upon determinism and interpretation of sentences relating to the future.polCC-BY-ND - Uznanie autorstwa - Bez utworów zależnychtrzecia wartość logicznaJan Łukasiewicztrzecia wartość logiczna w ujęciu Jana Łukasiewiczalogikafilozofialogika trójwartościowathird logical valuethird logical value in Jan Łukasiewicz’s approachlogicphilosophythree-valued logicArticle