Action languages are formal models of parts of the natural language that are used for talking about the effects of actions. This article is a collection of definitions related to action languages that may be useful as a reference in future publications.

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Electronic Transactions on Artificial Intelligence, Vol. 3 (1998), pp. 195-210.

@Article{gel98, title={Action Languages}, author={Michael Gelfond and Vladimir Lifschitz}, volume={3}, journal={Electronic Transactions on Artificial Intelligence}, pages={195-210}, url="http://www.cs.utexas.edu/users/ai-lab/?gel98", year={1998} }