Conference Paper

Strongly Equivalent Temporal Logic Programs

DOI: 10.1007/978-3-540-87803-2_3 Conference: Logics in Artificial Intelligence, 11th European Conference, JELIA 2008, Dresden, Germany, September 28 - October 1, 2008. Proceedings
Source: DBLP


This paper analyses the idea of strong equivalence for transition systems represented as logic programs under the Answer Set
Programming (ASP) paradigm. To check strong equivalence, we use a linear temporal extension of Equilibrium Logic (a logical
characterisation of ASP) and its monotonic basis, the intermediate logic of Here-and-There (HT). Trivially, equivalence in
this temporal extension of HT provides a sufficient condition for temporal strong equivalence and, as we show in the paper,
it can be transformed into a provability test into the standard Linear Temporal Logic (LTL), something that can be automatically
checked using any of the LTL available provers. The paper shows an example of the potential utility of this method by detecting
some redundant rules in a simple actions reasoning scenario.

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