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OpenStudy (anonymous):
define X and Y are sets with the same cardinality
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OpenStudy (zarkon):
are you just supposed to make two sets that have the same carnality?
OpenStudy (anonymous):
just the concept
OpenStudy (zarkon):
two sets have the same cardinality if there is a bijective function that maps X to Y. not really sure what you are looking for besides a definition
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