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Writing Effective Business Rules by Graham Witt

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1. if < transaction signifier> includes a term rather than a list of terms, then

a. if < subform term> is not included, a fact type of the form ‘<transaction term> specifiesdata item term>’, or ‘<transaction term> specifiesdata type> asdata item term>’, where < transaction term> signifies the transaction: for example, F246 for R352;

b. if < subform term> is included, a fact type of the form ‘<transaction term> specifiesdata item term>   {in|for} < subform term>’, or ‘<transaction term> specifiesdata type> asdata item term>   {in|for} < subform term>’, where < transaction term> signifies the transaction: for example, F247 for R353;

2. at least one fact type for each qualifying clause (if any), including any within the ...

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