Re: 'Unknown' and three-valued logic

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--- Rom <kjehas at frisurf.no> wrote:

> |To qualify for unemployment benefits....
> |1) you must be a national citizen
> |2) you must be unemployed
> |3) you must have earned more than $10000 previous year
> |4) all facts must be documented (if you haven't supplied sufficient
> domentation then employment office cannot make a positive decision)
 

> My last answer did "jm31" wrong (he was saying something else) 
> The justification for "wrong" shoild be that solution causes too many
> equiries about documentation.

But that's a biproduct of rule #4.  You just need to have an explicit
understanding of necessary and sufficient conditions for a true value.  You
can't say that everything must be documented and then complain about requests
for documentation.


Matt Lewis

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