Obowiązek oparty na preferencji

The paper presents a formalization of Henryk Elzenberg’s system axiology, which features the notions value, ought, and obligation. I propose is constructed in language sentential modal logic. However, as Elzenberg was well aware, his axiology had several difficulties. To avoid them, modification system’s foundations show that it preserves formal properties ought obligation postulated by Elzenberg. this, express proposed certain theory logic preference describe from syntactical semantical point view.