This book is a study in the logic of questions (sometimes called erotetic logic). The central topics in erotetic logic have been the structure of questions and the question-answer relationship. This book doesn't neglect these problems, but much of it is focussed on other issues. The main subject is the logical analysis of certain relations between questions and the contexts of their appearance. And our aim is to elaborate the conceptual apparatus of the inferential approach to the logic of questions. Questions are asked for many reasons and for different purposes. Yet, before a question is...

This collection of papers is written in the spirit of what is nowadays called Logical Philosophy. The topics addressed include: scepticism and the criterion of truth, situational semantics, computational aspects of possible worlds semantics and question-answer systems, occurrent beliefs, the logical omniscience paradox, paraconsistency, and models of explanatory procedures.