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REFERRING to the review of Hilbert's “Grundlagen der Geometric,” on p. 394 of No. 2066 of NATURE (June 3), may I point out that the commutative law of addition can be proved without the help ...
Letter Published: 15 July 1909 The Commutative Law of Addition, and Infinity G. B. M. Nature 81, 69 (1909) Cite this article ...