Modal Logic with Descriptions [Hardcover]

?0 The pre-history of the topic.- ?1 The grammar of the Q systems.- ?2 The semantics of the Q systems.- ?3 Descriptions.- ?4 Statability atoms.- ?5 Relevance conditions.- ?6 Some irrefutable and refutable sentences.- ?7 The Q calculi.- ?8 Basic metatheorems on the Q calculi.- ?9 Deductions. Further derived rules.- ?10 Consistent and complete sets.- ?11 Hypercomplete and compossible sets.- ?12 Alternatives and successors of hypercomplete sets.- ?13 Tree structures.- ?14 The completeness theorem.- Appendix 1: Deontic logic.- References.- List of symbols.- List of abbreviations.