Hi all, No backward chaining will occur for patterns inside a conditional element. I was wondering that this will change in a future version of Jess, especially for the logical conditional element.
So what I want to do is find a fact with backward chaining, when it is found and asserted it makes a rule fire, causing an assertion performed by the RHS of that rule. The asserted fact should be logically dependent of the backward chained fact. I could use duplicate rules, one to perform the backward chaining, without the RHS, and one with the logical CE and the RHS, but that seems like a very bad solution. I made a system that uses backward chaining and auto-focus together, so facts are looked up when needed. In addition, I would like to avoid the explicit use of the retract and reset function with the logical CE. I am also aware that the need-facts can't be made logically dependent, so this approach will fail to a certain degree. Will it ever be possible to make Jess automatically retract the need-fact, whenever the needed fact is computed? Regards, Steffen. -------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' in the BODY of a message to [EMAIL PROTECTED], NOT to the list (use your own address!) List problems? Notify [EMAIL PROTECTED] --------------------------------------------------------------------
