If we have f:{a,b,c}->{1,2,3,4,5}.What is the number of bijective functions?

1 Answer
George C.
Apr 25, 2017

0

Explanation:

There are no bijections between {a, b, c} and {1, 2, 3, 4, 5}.

A bijection can only exist between two finite sets if they have an equal number of elements, in which case there are n! possible bijections, where n is the number of elements.

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