Question: 3. (2 points) Suppose a tree generated by a compound proposition X has only closed paths. Does this mean that X is a contradiction? Please

3. (2 points) Suppose a tree generated by a compound proposition X has only closed paths. Does this mean that X is a contradiction? Please explain your answer. 4. (2 points) Suppose a tree generated by a compound proposition Y has only open paths. Does this mean that is a tautology? Please explain your

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