Polish Logic is an anthology of papers by several authors- Kazimierz Ajdukiewicz, Leon Chwistek, Stanislaw Jaskowski, Zbigniew Jordan, Tadeusz Kotarbinski, Stanislaw Lesniewski, Jan Lukasiewicz, Jerzy Slupecki, and Mordchaj Wajsberg- published in 1967 and covering the period 1920–1939. The work focus on the contributions of Polish logicians, more particularly, mathematical logicians, to modern logic.