Abstract

This study is a philosophical work on Martin Heidegger's thinking. Its primary purpose is to study Heideggerian concepts. Secondly, it brings into focus two other thinkers who play with Heidegger 's thought, and thirdly, it applies Heideggerian thinking to truth and art. The study is compilation of eight articles, which are divided under three titles: I Heidegger and the Truth. II Heidegger and Truth in the Horizon of Nietzsche and Foucault, III Art in the Heideggerian Light. The main themes in this study are truth and art. The first part of the study is comprised of research work on Heid egger's theory and the concept of truth, which he present in his main work Sein und Zeit. Another important theme is the Heideggerian concept of world, which is the foundation of Heidegger's Alethetical truth. Heidegger uses the concept in the phrase "being in the world." This "being in the world" is a situation in which Dasein always exists, and Heidegger claims that there is no truth without Dasein. Art, especially the work of art and poetry, are connected with the truth in Heidegger's philosophy. Art has played a central role throughout the entire tradition of western philosophy, and the same is true in Heidegger's philosophy. But Heidegger does not follow the traditional aesthetic theory of art. He formulates the question of the essence of art as an ontological question. Art is the place where the truth occurs. This kind of understanding of truth and art needs to overcome metaphysics. Heidegger regards Friedrich Nietzsche as the last representative of metaphysics, which is why Nietzsche's philosophy as nihilism must be overcome. I deal with these questions in the second part of my study. In the third part of the study I examine what is left of the truth and art in the postmodern era. In his later writings, Heidegger leaves out Dasein and changes his style of writing. The concept of the world is still essential, but it now lives its own life along with earth, gods and mortals. The main aim of this study is to bring Heidegger's theory of the truth into focus and into the Finnish philosophical discourse. Secondly, it shows what happens to the work of art in the postmodern era.