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magic transformation

Theory and Practice of Logic Programming (1)

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A simple correctness proof for magic transformation
WŁODZIMIERZ DRABENT
Journal:

Theory and Practice of Logic Programming / Volume 12 / Issue 6 / November 2012

Published online by Cambridge University Press:

04 March 2011, pp. 929-936
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The paper presents a simple and concise proof of correctness of the magic transformation. We believe that it may provide a useful example of formal reasoning about logic programs. The correctness property concerns the declarative semantics. The proof, however, refers to the operational semantics (LD-resolution) of the source programs. Its conciseness is due to applying a suitable proof method.