This comprehensive review and critical synthesis of research on modality focuses on formal theories within linguistics and related aspects of philosophical logi

This contributed volume includes both theoretical research on philosophical logic and its applications in artificial intelligence, mostly employing the concepts

What do we mean when we say things like 'If only we knew what he was up to!' Clearly this is more than just a message, or a question to our addressee. We are ex

"This book is valuable as expounding in full a theory of meaning that has its roots in the work of Frege and has been of the widest influence. . . . The chief v

Part I of this book presents a theory of modal metaphysics in the possible-worlds tradition. `Worlds' themselves are understood as structured sets of properties