ok thanks, i think i confused my notion of eval() with also its ability to return int on calculations in some other framework.
The reason why i started this thread was to ensure in the process of Rule engineering, I could write optimal rules in mathematical notion and not have to worry about technical differences in how a Predicate is translated while translation to drools. (ideally) thanks everyone. ----- Software documentation is like sex: If its good its really really good, if not then its still better than nothing! -- View this message in context: http://drools.46999.n3.nabble.com/First-Order-Logic-METHODS-in-Drools-tp2841531p2842153.html Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users