Question: We say two sets A and B have the same cardinality if there is a bijection between A and B. Show that the following pairs

We say two sets A and B have the same cardinality if there is a bijection between A and B. Show that the following pairs of sets A, B R have the same cardinality by giving explicitly an injective bijection f : A B OR by using the Schroder-Bernstein Theorem.

A=(0,1] , b= (-inf,inf)

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