# Mathematics - Discrete Structures

If A has eight unique elements and B has eight unique elements, how many one-to-one functions would there be?

Also, I'd like to know how many there would be if A happened to have less elements than B or if B had less elements than A.

Thank you for your time.

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#### Solution Summary

The expert examines discrete structures in elements. A Complete, Neat and Step-by-step Solution is provided in the attached file.

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