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 | 
|---|---|
| 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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