Logic and Computation
TABLEAU-BASED THEOREM PROVING
Introductory course

REINER HAEHNLE

Institute for Logic, Complexity and Deduction Systems, Department of Computer Science, University of Karlsruhe

First week
reiner@ira.uka.de
Course description
Tableau-based approaches to automated deduction have gained a lot of ground in recent years after many years during which they have been mainly considered for teaching and in proof theoretic studies. One reason for this development is that competititve implementations of FOL tableau provers are now available, but another reason for the renewed interest is th large number of applications for deduction in non-classical in linguistics, intelligent agents, knowledge representation to name just a few fields. I will present various tableau-related calculi in a uniform, modern framework with new, concise completeness proofs. Important implementations as well as basic techniques for accommodating non-classical aspects are discussed as well. A brief introduction into the required concepts of computational logic is included.
Prerequisites
None
Literature

There are no up-to-date text books out that cover the topic. What comes closest is "First-Order Logic and Automated Theorem Proving" by Melvin Fitting, 2nd ed., Springer-Verlag 1996. I will, however, go deeper into computational aspects than Fitting who does not discuss any refinements.

The course is based on my lecture "Automated Theorem Proving" held so far three times in Karlsruhe and an abridged version held at TU Vienna last spring. You can get an impression by looking at some of the coures materials at http://i12www.ira.uka.de/~reiner/courses.html which are currently in German. There is an overview article in English which partly covers the course: http://i12www.ira.uka.de/~reiner/spp.ps.gz

 

 


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