作者: Raul Hakli , Sara Negri
DOI: 10.1007/978-3-540-88833-8_6
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摘要: The proof theory of multi-agent epistemic logic extended with operators for distributed knowledge is studied. A proposition within a group G if follows from the totality what individual members know. There are known axiomatizations logics operator, but apparently no cut-free system such has yet been presented. Gentzen-style contraction-free sequent calculus propositional given, and cut-elimination theorem proved. Examples reasoning about that use given.