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Automating Defeasible Reasoning in Law

The paper studies defeasible reasoning in rule-based systems, in particular about legal norms and contracts. We identify rule modifiers that specify how rules interact and how they can be overridden. We then define rule transformations that eliminate these modifiers, leading in the end to a translation of rules to formulas. For reasoning with and about rules, we contrast two approaches, one in a classical logic with SMT solvers, which is only briefly sketched, and one using non-monotonic logic with Answer Set Programming solvers, described in more detail

Associated People

Centre Director, Assistant Professor of Law and Computer Science (Practice)
Lim How Khang
Principal Research Scientist
Martin Strecker
Principal Investigator
Wong Meng Weng