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Which of the following sentences are propositions? Determine the truth value of each proposition (just use real-life truths or experiences to answer). Negate propositions (don't

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Which of the following sentences are propositions? Determine the truth value of each proposition (just use real-life truths or experiences to answer). Negate propositions (don't negate non-propositions). Construct a truth table for the following compound statement: T = p rightarrow q doubleheadarrow r p r doubleheadarrow q Is T a contradiction? _____

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