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#set theory #cardinality #comparison #equality #infinite sets #cantor-bernstein #schroeder-bernstein

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#aleph null #aleph naught #cardinality #set theory #cantor #continuum #sizes of infinity #infinite sets

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#set theory #cardinality #infinite sets

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#infinite sets #comparing infinities #transfinite numbers #different infinities #set theory #cantor's theorem #aleph numbers