This book offers world-unique knowledge about outstanding Polish logicians of the first half of the 20th century. The book shows the achievements of Polish logicians, their influence on the development of science, interactions with philosophers and scientists from other countries, as well as cultural and social consequences. Containing over 140 entries accompanied by photographs of over half the discussed logicians, the volume is a comprehensive list of the period.Topics in the book include many-valued logic, Leśniewski's system, set theory and its foundations, semantic theory of truth, natural deduction, intuitionistic logic, and methodology in philosophy of science. The book is intended for both beginners and advanced researchers of logic, both students and logicians, philosophers, historians of ideas and historians of science.

This book offers world-unique knowledge about outstanding Polish logicians of the first half of the 20th century. The book shows the achievements of Polish logicians, their influence on the development of science, interactions with philosophers and scientists from other countries, as well as cultural and social consequences. Containing over 140 entries accompanied by photographs of over half the discussed logicians, the volume is a comprehensive list of the period.Topics in the book include many-valued logic, Leśniewski's system, set theory and its foundations, semantic theory of truth, natural deduction, intuitionistic logic, and methodology in philosophy of science. The book is intended for both beginners and advanced researchers of logic, both students and logicians, philosophers, historians of ideas and historians of science.