We recently wrote about how infinitely large sets are not all the same size as each other, but we were a bit vague about what we meant by a set. The people who invented set theory also started out ...

This is a preview. Log in through your library . Abstract Fraenkel-Mostowski set theory represents an alternative set theory with multiple applications in mathematics and computer science. It deals ...

Set theory is a mathematical abstract concerned with the grouping of sets of numbers that have commonality. For example, all even numbers make up a set, and all odd numbers comprise a set. All numbers ...

Journal of Philosophical Logic, Vol. 7, No. 1 (Jan., 1978), pp. 307-329 (23 pages) What gave rise to Ernst Zermelo's axiomatization of set theory in 1908? According to the usual interpretation, ...