Q5 (3 marks) (i) (ii) Prove that the set of c.e. sets is countable [2 marks]. Prove that|P(N) is uncountable [1 mark]. Q5 (3 marks) (i) (ii) Prove that the set of c.e. sets is countable [2 marks]. Prove that|P(N) is uncountable [1 mark]