The paper presents a comparison of the theories of truth, and the solutions of the liar paradox, proposed by Thomas Bradwardine (c. 1290-1349), Jean Buridan (c. 1295-1358), and Alfred Tarski (1901-1983).
Self-reference; Bradwardine; Buridan; Tarski; Liar paradox; Method of diagonalization; Theory of signification; Theories of truth