Ethos, the speaker’s image in speech is one of three means persuasion e stablished by Aristotle’s Rhetoric and often studied a loose way. Many scholars develop lists self-images (ethos leader, modesty ethos, etc.), but few explain how arrives at these types ethos. This precisely what inferential approach described here intends to do. Considering, like many discourse analysts, that ethos consubs...

The ability to communicate is one of the crucial properties of agents. In this paper a normative approach to the pragmatics of Agent Communication Languages (ACLs) is proposed. In an open environment, like the Internet, in which agents are designed in many different ways, it is important to clearly establish the meaning of a standard language for artificial agents. Traditionally, the pragmatics...