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Date: Sat, 4 Sep 2010 09:44:36 +0200
Message-ID: <AANLkTi=F_wWrh8GxHmdrJTzSLkbiqnhYduoRGP2duD_y@mail.gmail.com>
Subject: Re: [lojban-beginners] Re: gismu as sumti
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On Sat, Sep 4, 2010 at 8:44 AM, la nub <lagelace@gmail.com> wrote:

> And just in case you were wondering, I am a programmer.
>
> Two more questions though, what do kei and ku mean?
> [...]
> these two words seem to have no meaning at all.
>

They are called "terminators" and can be some times (rather often) elided.
You can think of kei and ku as closing brackets in C or as the VB "End
While", "End If", "Next", ...
Since lojban grammar is formal as those of programming languages, you need
explicit keywords to signal the termination of a statement and avoid
ambiguities, but since the Lojban is a human language, to make it less
clumsy, you can drop a terminator whenever their presence can be inferred.
For example if a nested part ends where the main part ends, only the nested
terminater can be surely dropped.  This is a feature that the old SGML had
(if you are familiar with it).

Consider the grammar:

A -> C D
C -> letter | letter C |  "@" | ""
D -> digit D | letter D | "#" | ""

You may parse "xyt" in many different ways (i.e. "xyt" is an ambigous
statement) while "x@yt" and "xyt@" are not. So "@" is the terminator of C
(as "kei" is a terminator for "nu"). If you get "xy4" there is no ambiguity
so you don't need to waste an extra character to write "xy@4".

mu'e mi'e remod.

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--0015175cba54079750048f6a3897
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<br><br><div class=3D"gmail_quote">On Sat, Sep 4, 2010 at 8:44 AM, la nub <=
span dir=3D"ltr">&lt;<a href=3D"mailto:lagelace@gmail.com">lagelace@gmail.c=
om</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"marg=
in: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-l=
eft: 1ex;">
And just in case you were wondering, I am a programmer.<br>
<br>
Two more questions though, what do kei and ku mean? <br>[...]<br>
these two words seem to have no meaning at all.<br></blockquote></div><br>T=
hey are called &quot;terminators&quot; and can be some times (rather often)=
 elided.<br>You can think of kei and ku as closing brackets in C or as the =
VB &quot;End While&quot;, &quot;End If&quot;, &quot;Next&quot;, ... <br>
Since lojban grammar is formal as those of programming languages, you need =
explicit keywords to signal the termination of a statement and avoid ambigu=
ities, but since the Lojban is a human language, to make it less clumsy, yo=
u can drop a terminator whenever their presence can be inferred.=A0 For exa=
mple if a nested part ends where the main part ends, only the nested termin=
ater can be surely dropped.=A0 This is a feature that the old SGML had (if =
you are familiar with it).<br>
<br>Consider the grammar:<br><br>A -&gt; C D <br>C -&gt; letter | letter C =
|=A0 &quot;@&quot; | &quot;&quot;<br>D -&gt; digit D | letter D | &quot;#&q=
uot; | &quot;&quot;<br><br>You may parse &quot;xyt&quot; in many different =
ways (i.e. &quot;xyt&quot; is an ambigous statement) while &quot;x@yt&quot;=
 and &quot;xyt@&quot; are not. So &quot;@&quot; is the terminator of C (as =
&quot;kei&quot; is a terminator for &quot;nu&quot;). If you get &quot;xy4&q=
uot; there is no ambiguity so you don&#39;t need to waste an extra characte=
r to write &quot;xy@4&quot;.<br>
<br>mu&#39;e mi&#39;e remod.<br>

<p></p>

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Lojban Beginners" group.<br />
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/>
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googlegroups.com.<br />

For more options, visit this group at http://groups.google.com/group/lojban=
-beginners?hl=3Den.<br />



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