Quotations by Richard Dedekind

As professor in the Polytechnic School in Zürich I found myself for the first time obliged to lecture upon the elements of the differential calculus and felt more keenly than ever before the lack of a really scientific foundation for arithmetic.
Opening of the paper in which Dedekind cuts were introduced.

Numbers are the free creation of the human mind.

JOC/EFR December 2013

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