Mathematicians Of The Day

17th November

On this day in 1930 Kurt Godel's On formally undecidable propositions of Principia Mathematica and related systems was received for publication. It contained the result that there are true but unprovable statements in arithmetic.

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Quotation of the day

From Eugene Paul Wigner
... mathematics is the science of skillful operations with concepts and rules invented just for this purpose.
The Unreasonable Effectiveness of Mathematics, Communications in Pure and Applied Mathematics 13 (1960)