>> Consider the not-training that a certain poster here has >> received. He can't even divide both sides of an equation >> by 2 successfully. > > Yes, and the reasoning needed to see that "the solutions > to x^2 = 2 are +-sqrt(2)" implies that sqrt(2) has a sign > is also missing. He and his supporters literally are unable > to see what we're talking about when we say that if > -sqrt(2) is negative, the symbol sqrt(2) is positive. > > I don't know how to bridge that gap. I suspect a good > algebra teacher could do it, with persistence. > > - Randy Good teachers are not indoctrinators. Relativists are indoctrinators. You are literally unable to see what I'm talking about when I say that if -x is negative, the symbol x is either positive or negative. x = 3-5. -x = sqrt(2) Those that can, do. Those that cannot, indoctrinate. Androcles. |
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Fumble Index | Original post & context: 4dEnf.51208$fk2.42730@fe3.news.blueyonder.co.uk |