Stepwise refinement can be formalised in a natural way by regarding specifications as unimplemented program components. We present a graphical notation for specifications and their refinement rules which supports this approach. The resulting development style is proposed as an appropriate model for introductory programming instruction.
CITATION STYLE
Naftalin, M. (1988). Correctness for beginners. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 328 LNCS, pp. 26–47). Springer Verlag. https://doi.org/10.1007/3-540-50214-9_3
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