This paper describes the integration of the ATP support of the TPTPWorld into the Sigma Knowledge Engineering Environment. The result is an interactive knowledge based reasoning en...
Rely-guarantee (RG) reasoning is useful for modular Hoare-style proofs of concurrent programs. However, RG requires that assertions be proved stable under the actions of the enviro...
We present a verified enumeration of tame graphs as defined in Hales' proof of the Kepler Conjecture and confirm the completeness of Hales' list of all tame graphs while ...
One of the keys to the success of the TPTP and related projects is their consistent use of the TPTP language. The ability of the TPTP language to express solutions as well as probl...
Geoff Sutcliffe, Stephan Schulz, Koen Claessen, Al...
Abstract. We describe the instance store, a system for reasoning about individuals (i.e., instances of classes) in OWL ontologies. By using a hybrid reasoner/database architecture,...