Re: [lojban-beginners] perpendicular

[ravas <ravas@outlook.com>]

ki'ecai .io

xorxes: I'd go with "sraji".

sraji
x1 is vertical/upright/erect/plumb/oriented straight up and down in reference frame/gravity x2.

What are the various things that work as a "reference frame"?

xorxes: I wouldn't restrict it to lines. A line can be perpendicular to a plane, and also it should be usable with general objects.

If you think sraji works,
then I suggest that it could be used for general objects,
and a different word could be used for lines and planes.
The relationship of two lines or planes forming
four equal angles seems unique.

xorxes: For your full description I think it's more clear to use three separate predicates.

I formed a similar thought.

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