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Expert System Logic Prover

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AlanBrady007

Programmer
Feb 4, 2003
1
IE
I have a Big Problem has anyone any idea how to go about this ????

I need to bulid an application in Prolog capable of loading a set of specified facts and/or rules supplied in a list (allow lists to come from files or supplied via a predicate call) and then internally store these facts/rules in relevant structures so that the system can answer queries passed to it. The application has to be able to produce a proof tree showing the entire reasoning behind a conclusion.

It must also provide an efficient front-end providing meaningful feedback for debugging purposes. it must implement the various rules of logic such as implication and its various related rules such as contrapositive, converse and inverse, elimination, introduction etc. The system also needs to tag the confidence in an outcome. Where the outcome is sound tag identify as sound, where an outcome is unsound or derived from any unsound ancestor it must be identified, this is similar to confidence levels in expert systems.

The following syntax will be used to pass operator logic into the system [Operator,Operand1, Operand2...Operandn]

Implies [=>,a,b]

And [*, a,b,c]

Or [*, a,b,c]

Compound Negation ~[*,a,b,c]

Unary negation is represented by ~ as in ~a or using brackets as necessary ~(~a)
 
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