We define a sound and complete logic, called FO , which extends classical first-order predicate logic with intuitionistic implication. As expected, to allow the interpretation of i...
We study tree languages that can be defined in 2. These are tree languages definable by a first-order formula whose quantifier prefix is , and simultaneously by a first-order for...
We present an approach to integrating rules and ontologies on the basis of the first-order stable model semantics defined by Ferraris, Lee and Lifschitz. We show that a few exist...
Within a framework for enriched on-line discussion forums for e-government policy-making, pro and con statements for positions are input, structurally related, then logically repre...
We consider the following problem: For a system consisting of two components, the behavior of one component is known as well as the desired global behavior. What should be the beha...