Dear MC, The answer depends on the intersection. As long as you have an open interval of real numbers, you have aleph-nought, or a countable number, of rationals. Advise you look into basic arithmetic of cardinal numbers. Thanks. Ben
> Date: Mon, 29 Apr 2013 23:12:13 -0400 > From: email@example.com > To: firstname.lastname@example.org > Subject: Re: How does infinitesimal exist? > > Darn it, also, I meant the intersection of the two infinitely divided intervals, not the union. Sorry.