On Sat, 29 Jun 2002, Adrian Ettlinger wrote:
> Hi Shlomi,
>
> I have a problem with terminology here. What's the distinction between
> "recursing" and "back-tracking"?
Recursing:
Delving from a state at the end of the stack to a new state that was not
visited before.
Back-Tracking:
Returning from a state at the end of the stack to the state from which it
was derived, in order to check more subequent possibilities there.
> It seems to me you are saying that there
> would not be any "false impossible" arising from the path that would be
> followed.
No, there won't.
> If it exhausts all possible paths, it's doing the job properly,
> and the original proposition that a position's solvability depends on how it
> was reached is not valid.
>
I don't understand this sentence.
Regards,
Shlomi Fish
> Best regards, ------------------Adrian
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----------------------------------------------------------------------
Shlomi Fish shlomif_at_vipe.technion.ac.il
Home Page:
http://t2.technion.ac.il/~shlomif/
Home E-mail: shlomif_at_iglu.org.il
He who re-invents the wheel, understands much better how a wheel works.
Received on Sat Jun 29 2002 - 07:21:32 IDT