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» Automating Coherent Logic
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CSL
2006
Springer
15 years 10 months ago
A Sequent Calculus for Type Theory
Based on natural deduction, Pure Type Systems (PTS) can express a wide range of type theories. In order to express proof-search in such theories, we introduce the Pure Type Sequent...
Stéphane Lengrand, Roy Dyckhoff, James McKi...
KR
2000
Springer
15 years 10 months ago
Reduction rules and universal variables for first order tableaux and DPLL
Recent experimental results have shown that the strength of resolution, the propositional DPLL procedure, the KSAT procedure for description logics, or related tableau-like implem...
Fabio Massacci
KR
2000
Springer
15 years 10 months ago
Anytime Diagnostic Reasoning using Approximate Boolean Constraint Propagation
In contrast with classical reasoning, where a solution is either correct or incorrect, approximate reasoning tries to compute solutions which are close to the ideal solution, with...
Alan Verberne, Frank van Harmelen, Annette ten Tei...
LICS
1995
IEEE
15 years 10 months ago
Tree Canonization and Transitive Closure
We prove that tree isomorphism is not expressible in the language (FO + TC + COUNT). This is surprising since in the presence of ordering the language captures NL, whereas tree is...
Kousha Etessami, Neil Immerman
ELP
1991
15 years 10 months ago
Natural Semantics and Some of Its Meta-Theory in Elf
Operational semantics provide a simple, high-level and elegant means of specifying interpreters for programming languages. In natural semantics, a form of operational semantics, p...
Spiro Michaylov, Frank Pfenning