Tarbiat Modares University (TMU) Philosophical Thought 1973-2873 3 2 2023 06 05 Tarski's Truth Theory Tarski's Truth Theory 141 159 23091 10.58209/jpt.3.2.141 FA S. Ahmadzadeh Department of Philosophy, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran L. Nabavi Department of Philosophy, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran Journal Article 2023 02 06 Tarski’s theory of truth was first introduced in “The concept of truth in formalized languages.” In this paper, we introduce Tarski’s truth theory in detail, based on the mentioned article, and make its account clear about the main questions that he faced. Also, we argue that accepting Tarski’s theory of truth entails Platonism in mathematics. Tarski’s theory of truth was first introduced in “The concept of truth in formalized languages.” In this paper, we introduce Tarski’s truth theory in detail, based on the mentioned article, and make its account clear about the main questions that he faced. Also, we argue that accepting Tarski’s theory of truth entails Platonism in mathematics. https://jpt.modares.ac.ir/article_23091_29739453e451f4a6df866a1b87facf3f.pdf