Hi Everibody:
Does anybody know if it's possible to change a fact's value,
once it has been asserted?
For instance:
if I have the fact:
>>f-2 (used-auto (make Saturn) (model SL1) (year 1992) (color white)
>> (mileage 120000) (blue-book-value 3500) (owners
ejfried))
Can I change the value of the "model" slot by means of a rule or
smthg?
Thanx
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