Comment 5 for bug 774142

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Olaf Seibert (rhialto) wrote : Re: [Bug 774142] Re: logic error in a logic puzzle

On Sat 30 Apr 2011 at 17:02:26 -0000, Jordi Mas wrote:
> > It is not grammatical. "Three times <what> older than his son"?
> > You can be "5 years older than his son", but "three times" is not some
> > quantity, it is simply incomplete.
>
> If you have a number X, 3 times that number is 3x.

Yes. Please write that.

> It is not incomplete, depends on another variable.

"depends on" is the same as "incomplete".

> >The only thing it could mean, if it meant anything, is that the son is y
> >years old, and the father is "3 times y" years older, making him y + 3 y =
> >4 y years old.
>
> If he soon is represented by the variable Y, "times older than his son"
> means 3Y, not 3+Y

I did not write "3+Y", I wrote "Y + 3 * Y" which is "4 * Y".
This is basic math. I would hope that "logic puzzles" were based on
logic (in fact, "math" would be more appropriate here).

Cheers,
-Olaf.
--
___ Olaf 'Rhialto' Seibert -- There's no point being grown-up if you
\X/ rhialto/at/xs4all.nl -- can't be childish sometimes. -The 4th Doctor
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