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Commonsense Reasoning, 2nd Edition by Erik T. Mueller

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Chapter 3

The Effects of Events

Abstract

Events change the state of the world. When an event occurs, some properties of the world that are false become true, and some properties of the world that are true become false. We discuss the representation of the effects of events in the event calculus. We describe positive and negative effect axioms, commonly used effect axiom idioms, preconditions, and state constraints.

Keywords

Commonsense reasoning

Event calculus

Reasoning about action and change

Effect axioms

Preconditions

State constraints

Events change the state of the world. When an event occurs, some properties of the world that are false become true and some properties of the world that are true become false. This chapter is concerned ...

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