Abstract
We present a first-order logical system based on a standard first-order language which is enriched with new predicate symbols — supposition predicates. The logic is standard. The interesting non-standard features of a nonmonotonic logic are captured by considering whether a given consequence depends on the special predicates. A supposition theory contains formulas of the original language and special axioms governing the behaviour of the suppositions. Our system, when applied to suppositions theories, has many of the desired features of a nonmonotonic logic. We also discuss proof procedures issues.
This research has been sponsored by CNRS (GRECO PRC IA)
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© 1988 Springer-Verlag Berlin Heidelberg
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Besnard, P., Siegel, P. (1988). Supposition-based logic for automated nonmonotonic reasoning. In: Lusk, E., Overbeek, R. (eds) 9th International Conference on Automated Deduction. CADE 1988. Lecture Notes in Computer Science, vol 310. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0012860
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DOI: https://doi.org/10.1007/BFb0012860
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