THERE are several excellent treatises dealing exhaustively with modern ideas of geometry and analysis, but the bulk and difficulty of these works repel those who are not specialists. The University of ...
The original formed the first part of "Festschrift zur feier der enthüllung des Gauss-Weber-denkmals in Göttingen, Grundlagen der geometrie," with the additions made by the author in the French ...
THE title of this essay suggests a number of distinct problems. We may ask what the postulates of geometry are, or we may seek the source of our knowledge of them; in the latter inquiry, again, we may ...