Mathematicians Of The Day

20th June



On this day in 1877, Georg Cantor wrote to to Dedekind, announcing a proof that the points inside a square are in one-to-one correspondence with those on a line segment. Three years earlier, Cantor had intimated that this was clearly impossible.
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Quotation of the day

From Georges Lemaître
Scientific progress is the discovery of a more and more comprehensive simplicity ... The previous successes give us confidence in the future of science: we become more and more conscious of the fact that the universe is cognizable.