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parallel lines and arc of circle

From: Semirat Stephan <Stephan.Semirat@ac-grenoble.fr>
Date: Fri, 06 Feb 2004 14:10:12 +0100
To: www-math@w3.org
Message-ID: <13f8bd4f7cde2b83.7cde2b8313f8bd4f@ac-grenoble.fr>


I have two basic questions :

I did not found how to code the following two math expressions with 
(presentation) mathml :
1) In basic geometry, when two lines, say (AB) and (CD), are parallel 
lines, i write (AB)//(CD).
How do i code the symbol // (at the moment i use &sol;&sol; but i don't 
think it is the right way, is it ?).
2) How to denote the arc of a circle ? Let A,B be two points on a 
circle. How do i get AB rendered with a little arc over it (which 
accent to use ?) ? More precisely :
<mover accent="true">
    <mi> A </mi>
    <mi> B </mi>
  <mo> ??? </mo>

Well, these are basic questions !
Thanks a lot,
Received on Friday, 6 February 2004 08:10:28 UTC

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