Two rules with equivalent condition parts mutually subsume each other. The following two BAL rules, Rule Young1
and Rule Young2
, cause a warning of this type. See Figure 14.8 for the warning text.
Rule Young1
If
the customer is younger than 10
Then
display the message `Entry is restricted to customers above the age of 10'
Rule Young2
If
the customer is younger than 10
Then
display the message `Entry is restricted to customers aged 10 or above'
Figure 14.8 Rules with Equivalent Conditions
See Also
Business Rule Structure | Checking Rule Consistency
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