Mathematics, 10.11.2019 04:31 jessica01479
Nting let us consider two finite sets a and b of cardinalities |a| = n and |b| = m, respectively, and ask ourselves how many functions f : a → b there are that are surjective., (a) define f to be the set of all functions f : a → b (not necessarily surjective). what is the cardinality of f?
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Nting let us consider two finite sets a and b of cardinalities |a| = n and |b| = m, respectively, an...
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