Many-valued logics were developed as an attempt to handle philosophical doubts about the "law of excluded middle" in classical logic. The first many-valued form

The present volume of the Handbook of the History of Logic brings together two of the most important developments in 20th century non-classical logic. These are

A growing interest in many-valued logic has developed which to a large extent is based on applications, intended as well as already realised ones. These applica

The book attempts an elementary exposition of the topics connected with many-valued logics. It gives an account of the constructions being "many-valued" at thei