Talk:Line (Euclidean geometry)/Archive 1: Difference between revisions

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imported>Peter Schmitt
imported>Peter Schmitt
(→‎Lead: add remark)
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== Lead ==
== Lead ==


Boris, could you provide a short lead? If I do it then I will probably not be allowed to approve it. --[[User:Peter Schmitt|Peter Schmitt]] 23:07, 11 May 2010 (UTC)
Boris, could you provide a short lead? If I do it then I will probably not be allowed to approve it.  
Somewhere the long form "straight line" should also be mentioned.
--[[User:Peter Schmitt|Peter Schmitt]] 23:07, 11 May 2010 (UTC)


== Betweenness ==
== Betweenness ==

Revision as of 18:42, 11 May 2010

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Rather cryptic

"The following demonstrates a line:

Given a line AC 
Point B is on AC
ABC is the same line AC"

— rather cryptic; what could it mean? Boris Tsirelson 19:39, 27 March 2010 (UTC)

Lead

Boris, could you provide a short lead? If I do it then I will probably not be allowed to approve it. Somewhere the long form "straight line" should also be mentioned. --Peter Schmitt 23:07, 11 May 2010 (UTC)

Betweenness

The two conditions assume "three different points", thus the "at least" could be omitted. --Peter Schmitt 23:18, 11 May 2010 (UTC)

Definition via right angles

A link to Pythagorean theorem seems to be appropriate. --Peter Schmitt 23:41, 11 May 2010 (UTC)