Logic) Using natural deduction, prove the following: (P1 implies P3) can be derived from ((P1 and P2) implies P3).

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A: Please upload the multiple parts separately.I answered here first 3 sub-parts as per our policy.

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Q: 1. It is a polyn

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Q: dx 2. dt x(0.5) = 1, solve for x(1) when h = 0.1 2(t+1)

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Q: B. Determine whether f(x) = (x - 3) (2x + 1) (x+ 4) is continuous at x 3.

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