[lojban-beginners] Re: {konju} and its place structure

[Gleki Arxokuna <gleki.is.my.name@gmail.com>]

There are two main definitions of "cone":

1. (geometry) A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.

2. (geometry) A solid of revolution formed by rotating a triangle around one of its altitudes.

I think neither meaning of "cone" reflects {konju}. I think {konju} describes a *segment* of a line (possibly infinite thus identical to a line in such case) revolving around another linear segment thus forming a *surface*. As for konju1 it describes an object (possibly immaterial) with *a property* of such cone-ness.

This explains why only vertex is specified. but konju2 seems to be superflous then since it is not always necessary.

2014-05-23 12:11 GMT+04:00 Gleki Arxokuna <gleki.is.my.name@gmail.com>:

The definition of {konju} is rather cryptic.

x1 is a cone [shape/form] of material x2 with vertex x3. Also ellipse, ellipsoid (= konclupa). See also jesni, djine, sovda, kojna, jganu.

"Cone" is this object: https://en.wiktionary.org/wiki/File:PovCone.jpg

either only the surface of an object made after the revolution of a triangle. That's why konju3 seems strange. Why only vertex is defined?

Definitely cone it's not an ellipse.

Could you please explain this?

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