Date: Dec 18, 2012 3:51 PM
Author: Joe Niederberger
Subject: Re: Some important demonstrations on negative numbers > a MACS<br> syllabus
> If you have a problem with the mathematical picture that I was alluding to earlier, say it what it is. Please spare us another art analogy regarding violins, or pianos, or paintings.
R. Hansen says:
>Fine. No analogies. You are not mathy. You don't possess the sense.
So, that's your big critique of the the instructional picture I mentioned to? Completely vacuous posturing. Believe me, I do have a sense, and the bells and whistles are going off. Ding!