In standard mathematical nomenclature, the cardinality of a set is denoted by the Hebrew letter <math>\aleph</math>.
In standard mathematical nomenclature, the cardinality of a set is denoted by the Hebrew letter <math>\aleph</math>.
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Cantor died without knowing the answer to his conjecture of the Continuum hypothesis. [[Kurt Godel]] and [[Paul Cohen]] have since shown that the Continuum hypothesis is [[undecidable]] in [[Zermelo-Fraenkel]] Set Theory.
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Cantor died without knowing the answer to his conjecture of the Continuum hypothesis. [[Kurt Godel]] and Paul Cohen have since shown that the Continuum hypothesis is [[undecidable]] in [[Zermelo-Fraenkel]] Set Theory.