PP-2003-25: Bezhanishvili, Nick and Hodkinson, Ian (2003) All normal extensions of S5-squared are finitely axiomatizable. [Report]
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Abstract
We prove that every normal extension of the bi-modal system
${\bf S5}^2$ is finitely axiomatizable and that every proper normal
extension has NP-complete satisfiability problem.
Item Type: | Report |
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Report Nr: | PP-2003-25 |
Series Name: | Prepublication (PP) Series |
Year: | 2003 |
Uncontrolled Keywords: | S5-squared, normal extensions, finite axiomatization, better-quasi-orederings |
Date Deposited: | 12 Oct 2016 14:36 |
Last Modified: | 12 Oct 2016 14:36 |
URI: | https://eprints.illc.uva.nl/id/eprint/109 |
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