http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7921982&tstart=0#7921982 On Nov 11, 2012, at 10:49 AM, Robert Hansen <bob@rsccore.com> wrote:

> What you are trying to say is that a]]> Nov 11, 2012 8:58:01 PM Nov 11, 2012 8:58:01 PM syscore 0 http://mathforum.org/kb/thread.jspa?messageID=7921752&tstart=0#7921752 On Nov 10, 2012, at 3:26 PM, Joe Niederberger <niederberger@comcast.net> wrote:

> I would say the common]]> Nov 11, 2012 10:49:18 AM Nov 11, 2012 10:49:18 AM syscore 1 http://mathforum.org/kb/thread.jspa?messageID=7921701&tstart=0#7921701 >But the essence is that: (1) students first must grasp that the line of rational numbers is dense ...]]> Nov 10, 2012 3:26:19 PM Nov 10, 2012 3:26:19 PM niederberger@comcast.net 2