1 “.... Written by the leading researchers and scholars in the field, the volume explores the logics of necessity...”

2 “... covering the entire range of modal logic - Contains the latest scholarly discoveries and interpretative...”

3 “... logic - Contains the latest scholarly discoveries and interpretative insights that answer many questions...”

4 “... and comprehensive chapters covering the entire range of modal logic - Contains the latest scholarly discoveries...”

5 “... for scholars and graduate students familiar with applied logic, knowledge representation and uncertain...”

6 “... of this logical key concept. We therefore have asked leading scholars in various branches of logic to contribute...”