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by johnp271 949 days ago
I too enjoy reading Tao, but this approach to inequalities did not work for me at all. I am a retired PhD mathematician and I've taught the full gamut of undergraduate math in college. BUT all my life I have struggled with the simplest currency conversion arithmetic when I travel overseas. When I saw Tao's first example I said to myself, if this was how I was introduced to inequalities back in school (long ago) I'd likely have been a history major.