Definition of the term "limit"

[MURATA Makoto]

I agree with Francis.  The term "n-ary operator" in OOXML is also
horrible.
But I would like to avoid extensive re-writing.

Regards,
Makoto

2018-04-06 23:20 GMT+09:00 Francis Cave <francis at franciscave.com>:

> I think we need to avoid any more re-writing than is absolutely necessary,
> not out of laziness, but because extensive re-writing increases the risk of
> inadvertently making a breaking change. The choice of the word "limit" was
> unfortunate, but as Murata-san has pointed out, that's true of other file
> formats, and mathematicians have got used to this kind of terminological
> abuse. Anyway, we're talking about the file format, not the user interface,
> so all that matters is that implementers know what to do, and they're
> generally programmers not mathematicians.
>
> Francis
>
>
>
> -----Original Message-----
> From: Charlie Clark <charlie.clark at clark-consulting.eu>
> Sent: 06 April 2018 14:50
> To: SC 34/WG 4 mailing list <e-SC34-WG4 at ecma-international.org>
> Subject: Re: Definition of the term "limit"
>
> Am .04.2018, 14:24 Uhr, schrieb MURATA Makoto <eb2m-mrt at asahi-net.or.jp>:
>
> > We abuse the word "limit".  In a LaTex expression $\bigcup_i$, i has
> > nothing to do with convergence.  But in the OOXML terminology, it is a
> > limit.  The definition by Francis exactly captures the OOXML
> > terminology.
>
> It still feels a little awkward to me. I was just thinking of the
> introductory part of text books which explain the conventions used
> particularly regarding the positioning.
>
> I assume "bounds" is also, ahem, out of bounds here? I've done some
> searching but can't find anything significantly better:
> http://www.columbia.edu/itc/sipa/math/summation.html
>
> Can we use subscript and superscript of the symbol? I assume it isn't
> always sigma.
>
> Charlie
> --
> Charlie Clark
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>


-- 

Praying for the victims of the Japan Tohoku earthquake

Makoto
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