Mathematicians Of The Day

18th November

On this day in 1752, Christian Goldbach wrote to Euler conjecturing that any odd number could be written in the form 2n2+p2n^2 + p where p is prime. A counterexample was found in 1856.

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Quotation of the day

From Niels Bohr
Every sentence I utter must be understood not as an affirmation, but as a question.