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Question: a use the laws of logic to show that ...

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(a) Use the Laws of Logic to show that (аль) л ((anbjv-b) is logically equivalent to a^b. (b) Suppose that 81, s2, s3 are statements, and that si → 82, s2 =수 $3. and 83 → 81. 3. Does it follow that si and s3 are logically equivalent? Explain why or why not
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