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1990 | OriginalPaper | Buchkapitel

Loops B — On replacing constants by fresh variables

verfasst von : Edward Cohen

Erschienen in: Programming in the 1990s

Verlag: Springer New York

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The first step in loop development is to choose invariant P and guard B from postcondition R to satisfy $$P \wedge \neg B \Rightarrow R$$ If R happens to be a conjunction, then this is easy. Choose for P one of the conjuncts, and choose for B the negation of the other conjunct, as we have seen.

Metadaten
Titel
Loops B — On replacing constants by fresh variables
verfasst von
Edward Cohen
Copyright-Jahr
1990
Verlag
Springer New York
DOI
https://doi.org/10.1007/978-1-4613-9706-9_11