Two Forms of One Useful Logic: Existential Fixed Point Logic and Liberal Datalog

Details Two Forms of One Useful Logic: Existential Fixed Point Logic and Liberal Datalog Two Forms of One Useful Logic: Existential Fixed Point Logic and Liberal Datalog

2008-11-06

arxiv.org/abs/0811.0977v1

Computer Science

Logic in Computer Science

Scientific paper

A natural liberalization of Datalog is used in the Distributed Knowledge
Authorization Language (DKAL). We show that the expressive power of this
liberal Datalog is that of existential fixed-point logic. The exposition is
self-contained.

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