On Sat, Aug 29, 2009 at 7:46 AM, Simon King<simon.k...@nuigalway.ie> wrote:
>
> Hi Minh,
>
> On Aug 29, 12:32 pm, Minh Nguyen <nguyenmi...@gmail.com> wrote:
>> On Sat, Aug 29, 2009 at 9:30 PM, Minh Nguyen<nguyenmi...@gmail.com> wrote:
> [...]
>> And we do this: "a one" not "an one", even though "one" starts with a vowel.
>
> Ah, that confirms my feeling towards "an one-cochain".
>
> And I have a similar aversion against "an Unix machine" (without
> intention to offend Unix, but I would say "a Unix machine"). What do
> natives think? So, isn't it only about the vowels a,e,i, after all?


I would say its very complicated. But in the case of non-negative
numbers, which was
your original question, I would say "an x-cochain" if the 1st digit of
x starts with an
8 and "a x-cochain" otherwise. You might be able to re-phrase things so that
the "a"/"an" issue does not arise (eg, if the cochain is unique then replace
"a"/"an" by "the").


>
> Cheers,
> Simon
>
> >
>

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