Complete Axiomatisations of Properties of Finite Sets
Bergen University College, Norway. E-mail: tag{at}hib.no
University of Bergen, Norway. E-mail: michal{at}ii.uib.no
| Abstract |
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We study a logic whose formulae are interpreted as properties of a finite set over some universe. The language is propositional, with two unary operators inclusion and extension, both taking a finite set as argument. We present a basic Hilbert-style axiomatisation, and study its completeness. The main results are syntactic and semantic characterisations of complete extensions of the logic.
Received for publication 18 August 2007.
Revision received 16 April 2008.
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