Titlebook: Computer Science Logic; 5th Workshop, CSL ‘9 Egon B?rger,Gerhard J?ger,Michael M. Richter Conference proceedings 1992 Springer-Verlag Berli

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https://doi.org/10.1007/978-1-349-10388-1A subsystem of Kripke-Platek set theory proof-theoretically equivalent to primitive recursive arithmetic is isolated; Aczel‘s (relative) consistency argument for the Anti-Foundation Axiom is adapted to a (related) weak setting; and the logical complexity of the largest bisimulation is investigated.

招募

The Catholic Church and Unruly Women WritersWe define the class of syntactically safe queries in first order languages .. We prove using ideas from model theory that every model independent query is equivalent to a safe query. This answers a question raised by Topor in [Topor 1987].

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Safe queries in relational databases with functions,We define the class of syntactically safe queries in first order languages .. We prove using ideas from model theory that every model independent query is equivalent to a safe query. This answers a question raised by Topor in [Topor 1987].

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,‘Religion’ in the Popular Discourse,Closure formulas is (non) deterministic log space [Ib73, Im88]. However, the subset of formulas needed to simulate exactly . heads is unknown. It is also unknown if the automata and formulas have the same expressive power over more general structures such as multidimensional grids. We define a reduc

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,‘Religion’ in the Popular Discourse,ve its correctness. In this paper, we keep the notion of types and dynamic type constraints rather abstract to allow applications to different constraint formalisms like Prolog III or CLP(R). This generality permits us to introduce modular extensions of B?rger‘s and Rosenzweig‘s formal derivation of

鋸齒狀

Tripta Jhang,Shweta Dwivedi,Sarika Sharmat Petri nets; the logic is .., i.e. prepositional logic with a ‘some time’ operator. Our algorithm does not require to construct any transition system: We reduce the model checking problem to the problem of computing certain Parikh vectors, and we show that for the class of safe marked graphs these