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Let p = {X E P(Z+) | X is finite) . Prove that P is denumerable

Quote: Originally Posted by mathsohard Let p = {X E P(Z+) | X is finite) . Prove that P is denumerable To clarify p is the set of all finite subsets of the positive integers. This is a denumerable union of denumerable sets (the set of all sets of positive integers with n elements is denumerable). CB