Question: Let _ tot { p _ 1 } S { q _ 1 } and _ tot { p _ 2 } S { q

Let _tot {p_1} S {q_1} and _tot {p_2} S {q_2}.
Is it true that _tot {p_1p_2} S {q_1q_2}? Justify your answer briefly.
Is it true that _tot {p_2} S {q_1->q_2}? Justify your answer briefly.

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