Titlebook: Logic at Botik ‘89; Symposium on Logical Albert R. Meyer,Michael A. Taitslin Conference proceedings 1989 Springer-Verlag Berlin Heidelberg

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A dynamic logic for program verification,ic is no longer complete, it is still strong enough to simulate many well-known logics for program verification. Compared with other logics it has the advantage that it strengthens the role of dynamic reasoning and thus makes proofs more natural. An interactive verification system using this logic i

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Fixpoints revisited, question are cartesian or bicartesian closed and that the functors can be expressed as polynomials. Moreover, in place of completeness one now requires only a weak kind of product in addition to joint equalizers of families of pairs of arrows. Nonetheless, the actual construction of least fixpoints

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A mathematical modeling of pure, recursive algorithms, which represents the (abstract, recursive) algorithm defined by . on .. Main results are the soundness of the reduction calculus of FLR (which models faithful, algorithm-preserving compilation) for this semantics, and the robustness of the class of algorithms assigned to a structure under algorithm

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A dynamic logic for program verification,ic is no longer complete, it is still strong enough to simulate many well-known logics for program verification. Compared with other logics it has the advantage that it strengthens the role of dynamic reasoning and thus makes proofs more natural. An interactive verification system using this logic is outlined.

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