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I was x years old in the year x2, was mathematician Augustus De Morgan s response to his (then) age, 43. Today he d turn 209.
on 1871 Augustus De Morgan, Indian-English mathematician and academic (b. 1806)
"É Mais fácil achar a quadratura do círculo do que iludir um matemático" Augustus de Morgan
"... a truth of the theory, well confirmed by practice, what-ever can happen will happen if we make trials enough." Augustus De Morgan
The moving power of mathematical invention is not reasoning but imagination. Augustus de Morgan