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Functions and Same Cardinality

Find a function that is one-to-one to show the following sets have the same cardinality. Let N=(1,2,3,4,5,6,7,8,9,...)

N and A= (2n l n E N)

Solution Summary

Cardinality is investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.