Hi all,<br><br>I tried to use "not equal to" some sets in decision table but seem to have problems.<br>Does anyone happen to know what I did wrong in the following code?<br><br>meow:CatType( p:category -&gt; ( p !="$1" &amp;&amp;&nbsp; p !="$2" &amp;&amp;&nbsp; p!="$3" ) )<br><br>Thanks very much!<br><br>Wen.<br><p>&#32;

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