<div>I'm a beginner user of Jboss, please bear with my maybe dumb questions:</div>
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<div>1. Seems to me that the conditions in a rule are always connected with "AND" relation:</div>
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<div>such as the following rule</div>
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<div>if C1 </div>
<div> C2</div>
<div> C3</div>
<div>then D1</div>
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<div>it means "if C1 and C2 and C3, then D1"</div>
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<div>Is "or" allowed? I mean , can I express: "if (C1 or C2 or C3) and C4, then D1" in 1 rule?</div>
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<div>Right now, I can only use 3 rules to express it:</div>
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<div>if C1</div>
<div> C4</div>
<div>then D1</div>
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<div>
<div>if C2</div>
<div> C4</div>
<div>then D1</div>
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<div>
<div>if C3</div>
<div> C4</div>
<div>then D1</div>
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<div>2. Can I form a link of rules? Can rule A's decision (the Then part) be rule B's condition (The When part)?</div>
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<div>for instance:</div>
<div>rule A: if C1, C2, C3 then D1</div>
<div>rule B: if D1, C4 then D2</div>
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<div>When the complexity increases, the number of rules explodes. </div>
<div>I browsed the document and didn't find a clue. I'm using the <a href="http://4.0.7.">4.0.7.</a></div>
<div>Your help is highly appreciated.</div>
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