Formulas of Hoare logic are asserted programs where is a program and , are assertions. The language of programs varies; in the survey [Apt 1980], one finds the language of wh...
Classical logics and Datalog-related logics have both been proposed as underlying formalisms for the Semantic Web. Although these two different formalism groups have some commonal...
We study definability of languages in arithmetic and the free monoid by bounded versions of fixed-point and transitive-closure logics. In particular we give logical characterisat...
Abstract. The Event Calculus is a narrative based formalism for reasoning about actions and change originally proposed in logic programming form by Kowalski and Sergot. In this pap...
The paper is concerned with the design of a module system for logic programming so as to satisfy many of the requirements of software en gineering. The design is based on the la...