This book presents the essential background for understanding semantic theories of mood.
Mood as a category is widely used in the description of languages and the formal analysis of …

Statements not only update our current knowledge, but also have other dynamic effects. In
particular, suggestions or commands 'upgrade'our preferences by changing the current …

Our preferences determine how we act and think, but exactly what the mechanics are and
how they work is a central cause of concern in many disciplines. This book uses techniques …

This thesis investigates two main issues concerning the behavior of rational agents,
preference dynamics and agent diversity. We take up two questions left aside by von Wright …

In this paper, illocutionary acts of commanding will be differentiated from perlocutionary acts
that affect preferences of addressees in a new dynamic logic which combines the preference …

If we are to take the notion of speech act seriously, we must be able to treat speech acts as
acts. In this paper, we will try to model changes brought about by various acts of …

In this paper, an eliminative command logic ECL introduced in Yamada [21] will be slightly
refined into ECL II by allowing command terms and deontic operators to be indexed by a …

The normative realm involves deontic notions such as obligation or permission, as well as
information about relevant actions and states of the world. This mixture is not static, given …

The normative realm involves deontic notions such as obligation or permission, as well as
information about relevant actions and states of the world. This mixture is not static, given …

This paper is divided in five sections. Section 11.1 sketches the history of the distinction
between speech act with negative content and negated speech act, and gives a general …