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comparison between cardinals

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comparison between cardinals

In the introduction you mention the concept of 'greater cardinality'. You should add the definition of a set A having greater cardinality of a set B when there is a one-to-one mapping f: B -> A.

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> In the introduction you mention the concept of 'greater cardinality'. You should add the definition of a set A having greater cardinality of a set B when there is a one-to-one mapping f: B -> A. I modified the entry, but doesn't this define |A| >= |B|?
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