question about True values
g.brandl-nospam at gmx.net
Sat Oct 28 22:58:37 CEST 2006
J. Clifford Dyer wrote:
> Georg Brandl wrote:
>> J. Clifford Dyer wrote:
>>> >>> (1 > 0) < 1
>>> >>> 1 > 0 < 1
>>> >>> 1 > (0 < 1)
>>> >>> 10 > (0 < 1)
>> I hope you know why this works the way it does.
> Yes, I do understand why it works. I couldn't have crafted it if I
> didn't, but my point is that the reason why it works is not explainable
> if you believe that you are dealing with booleans.
Okay, but you should have left off the second example, because it has nothing
to do with the others.
> It's only
> explainable if you recognize that you are actually dealing with
> integers, and specifically, 1 and 0. So the something/nothing dichotomy
> combined with an understanding of what the comparison operation REALLY
> does (yield a 1 or a 0) helps you understand where your result came
> from, while thinking in terms of true/false will mislead you.
That's true. The only sensible thing to do, if you had "real" booleans, for
1 > True, would be to raise an exception.
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