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Question 19 Which of the following proof techniques for proving PQ is to assume Q and then deduce P? Direct proof O Proof by contradiction

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Question 19 Which of the following proof techniques for proving PQ is to assume Q and then deduce P? Direct proof O Proof by contradiction Proof by contraposition O Exhaustive proof Question 20 2 pts What is the difference between a set of objects and a list of objects? Othere are always an infinite number of elements in a list and there are never an infinite number of elements in there are always an infinite number of coments in a set and there are never an infinite number of elements Dentsitare ordered and the clementina stare the nombor koments and the contenumber of clements in D

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