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Corticon Studio: Rule Modeling Guide : Rule writing techniques and logical equivalents : Qualifying rules with ranges and lists : Using ranges and value sets in condition cells : Overlapping value ranges

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Overlapping value ranges
One final note about value ranges: they might overlap. In other words, Condition Cells may contain the two ranges 0..10 and 5..15. It is important to understand that when overlapping ranges exists in rules, the rules containing the overlap are frequently ambiguous and more than one rule may fire for a given set of input Ruletest data.
Rulesheet with Value Range Overlap shows an example of value range overlap.
Figure 94. Rulesheet with Value Range Overlap
Figure 95. Rulesheet expanded with Conflict Check applied
Figure 96. Ruletest showing multiple rules firing for given test data