Nonmonotonic logic and temporal projection
Artificial Intelligence
Nonmonotonic reasoning, preferential models and cumulative logics
Artificial Intelligence
Sometimes updates are circumscription
IJCAI'89 Proceedings of the 11th international joint conference on Artificial intelligence - Volume 2
Reasoning about persistence: a theory of actions
IJCAI'93 Proceedings of the 13th international joint conference on Artifical intelligence - Volume 1
A simple formalization of actions using circumscription
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 2
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Human reasoning about developments of the world involves always an assumption of inertia. We discuss two approaches for formalizing such an assumption, based on the concept of an explanation: (1) there is a general preference relation ≺ given on the set of all explanations, (2) there is a notion of a distance dist between models and explanations are preferred if their sum of distances is minimal. Each distance dist naturally induces a preference relation ≺dist. We show exactly under which conditions the converse is true as well and therefore both approaches are equivalent modulo these conditions. Our main result is a general representation theorem in the spirit of Kraus, Lehmann and Magidor.