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List of forum topicsenRe: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=9121267&tstart=0#9121267
>What students should be reminded of is the rules of the game (like chess) narrow the permitted / legal moves]]>May 8, 2013 7:00:27 PMMay 8, 2013 7:00:27 PMniederberger@comcast.net0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=9121210&tstart=0#9121210
may forget we're conventionally forcing them to be flat, all vertexes in]]>May 8, 2013 4:20:36 PMMay 8, 2013 4:20:36 PMkirby.urner@gmail.com0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=9121093&tstart=0#9121093
May 8, 2013 11:40:28 AMMay 8, 2013 11:40:28 AMniederberger@comcast.net1Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=9120646&tstart=0#9120646
On May 7, 2013, at 12:46 PM, Joe Niederberger <niederberger@comcast.net> wrote:

>> The restrictive]]>May 7, 2013 7:57:20 PMMay 7, 2013 7:57:20 PMsyscore0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=8919736&tstart=0#8919736
concepts of version control, a branching tree, forking and so on (Github) --]]>May 7, 2013 3:41:23 PMMay 7, 2013 7:34:56 PMkirby.urner@gmail.com0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=9120600&tstart=0#9120600
On the other hand,]]>May 7, 2013 6:57:21 PMMay 7, 2013 6:57:21 PMniederberger@comcast.net0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=9090004&tstart=0#9090004
May 7, 2013 4:48:38 PMMay 7, 2013 4:48:38 PMCCSSI0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=8919366&tstart=0#8919366
>The restrictive definition allows its advocates to be certain that an isosceles trapezoid is not a]]>May 7, 2013 12:46:53 PMMay 7, 2013 12:46:53 PMniederberger@comcast.net2Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=8911368&tstart=0#8911368
> If there is a comparable advantage]]>May 2, 2013 10:42:54 PMMay 2, 2013 10:42:54 PMtalmanl@gmail.com0Re: Based on the quadrilateral tree
http://mathforum.org/kb/thread.jspa?messageID=8911325&tstart=0#8911325
> But he is also right. Although favored in some circles, it is one of >]]>May 2, 2013 8:01:25 PMMay 2, 2013 8:01:25 PMgtupper@peda.com1