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LFCS
2007
Springer
13 years 11 months ago
Density Elimination and Rational Completeness for First-Order Logics
Density elimination by substitutions is introduced as a uniform method for removing applications of the Takeuti-Titani density rule from proofs in firstorder hypersequent calculi....
Agata Ciabattoni, George Metcalfe
CADE
2005
Springer
14 years 5 months ago
The Decidability of the First-Order Theory of Knuth-Bendix Order
Two kinds of orderings are widely used in term rewriting and theorem proving, namely recursive path ordering (RPO) and Knuth-Bendix ordering (KBO). They provide powerful tools to p...
Ting Zhang, Henny B. Sipma, Zohar Manna
TCS
2008
13 years 5 months ago
Density elimination
Density elimination, a close relative of cut elimination, consists of removing applications of the Takeuti-Titani density rule from derivations in Gentzen-style (hypersequent) cal...
Agata Ciabattoni, George Metcalfe
CADE
1994
Springer
13 years 9 months ago
PROTEIN: A PROver with a Theory Extension INterface
Abstract. PROTEIN (PROver with a Theory Extension INterface) is a PTTPbased first order theorem prover over built-in theories. Besides various standardrefinements knownformodelelim...
Peter Baumgartner, Ulrich Furbach
ICDT
2009
ACM
125views Database» more  ICDT 2009»
14 years 6 months ago
How big must complete XML query languages be?
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
Clemens Ley, Michael Benedikt