Question: Prove that Z+ Z+ Z+ = {(a, b, c) | a, b, c Z+} is countable.

Prove that Z+ × Z+ × Z+ = {(a, b, c) | a, b, c ∈ Z+} is countable.

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Let p q r be three distinct primes Define the function f Z Z Z Z by fa b c p a q b r c If a 1 b ... View full answer

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