Date: Dec 3, 2012 9:26 AM
Author: Joe Niederberger
Subject: Re: In "square root of -1", should we say "minus 1" or "negative<br> 1"?
R.H. says:

>Here are three cases for your enjoyment.

Three cases showing you can either derive the infamous rule

assuming certain other rules are givens, or mappings to what are supposedly more common sense like mental images, or maybe something else entirely.

R.H. says:

>If both terms are a negative then it is repeated subtraction twice, which is back to repeated addition.

Well, that saying -- something, not sure what.

Joe