Cantor's theorem: Difference between revisions

Revision as of 17:18, 11 July 2021

Revision as of 20:31, 11 July 2021

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{{Short description|Theorem inEvery set theoryis smaller than its power set}}

{{For|other theorems bearing Cantor's name}}

[[File:Hasse diagram of powerset of 3.svg|thumb|The cardinality of the set {''x'', ''y'', ''z''}, is three, while there are eight elements in its power set (3 < 2<sup title="Order theory">3</sup> = 8), here [[order theory|ordered]] by [[Inclusion (set theory)|inclusion]].]]