Problems with the negation

I'm getting very hard to deny.

For example, I can say "the date variable is unknown", but I can't say "the date variable is not unknown. In the second case, OPA translates any sentence to a Boolean value, even if 'the variable date' is an unknown date attribute is a logical function.

Is there a simple way to reduce to zero a rule that I'm missing in the help? I mean things like "and not all the ' or ' this isn't the case that...". "or"not both ".

A lot of this is from rules where uncertain and unknown must be equivalent to true or false. In other words, if the rule is not true, then it is fake... or vice versa.

Thoughts? How people write easily rule:

The number of cases has been verified if
the number of cases is known and
or the other
the case number starts with "DON'T" or
the number of cases begins with "NB".
otherwise, the number of cases has not been verified.

(the number of cases has been verified in the example must always be true or false.) It cannot be unknown or uncertain).
It gets worse because we have variables that are true, if they are unknown or uncertain and become false if they contain specific character sequences...

It is true, that you can't deny these operators by adding a not. You can however get the negation using the opposite operator. "currently known" for "currently unknown."

Tags: Oracle Applications

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