This introduction to the theory of sets employs the discoveries of Cantor, Russell, Weierstrass, Zermelo, Bernstein, Dedekind, and others. It analyzes concepts and principles, offering numerous examples. Topics include the rudiments of set theory, arbitrary sets and their cardinal numbers, ordered sets and their order types, and well-ordered sets and their ordinal numbers. 1950 edition.
Unabridged republication of the 1950 Dover edition.
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Monographs on Topics of Modern Mathematics by David M. Young A stimulating approach to several branches of mathematics, these nine articles by leading mathematicians are geared toward those with no training beyond elementary algebra and geometry. "Of high merit"—Scientific American. 1911 ed.
Set Theory and the Continuum Hypothesis by Paul J. Cohen This exploration of a notorious mathematical problem is the work of the man who discovered the solution. The award-winning author employs intuitive explanations and detailed proofs in this self-contained treatment. 1966 edition. Copyright renewed 1994.