Re: [lojban-beginners] perpendicular

[Jorge Llambías <jjllambias@gmail.com>]

On Sun, Jan 4, 2015 at 5:23 AM, ravas <ravas@outlook.com> wrote:

I want to be able to say:

Line "a" is perpendicular with line "b".

I'd go with "sraji":

lo linji po'u .abu cu sraji lo linji po'u by

Create a line that is perpendicular with line "k" and includes point "C".

ko zmadu lo linji poi sraji lo linji po'u ky gi'e vasru lo mokca po'u cy

 

The radical line of two circles is perpendicular with the line that includes their centers.

lo [radical line] be lo re cukla cu sraji lo linji be lo re midju be cy

 

For geometric construction, my opening suggestion would be:

x1 (line) defines four equal angles (is perpendicular) with line x2 and includes point(s) x3 and intersects "x2" at x4

 

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

  lo grana cu sraji lo bitmu

  The pole is perpendicular to the wall.

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

  ko'a linji ko'e gi'e sraji ko'i gi'e kruca ko'i ko'o

But if you must, you could make it into a lujvo: kucrajli'i

mu'o mi'e xorxes

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