P⋀Q→P⋁Q is not equivalent to

P⋀Q→P⋁Q is not equivalent to

Answer: B. False; C. P⋀Q; D. P⋁QTo determine what P∧Q→P∨Q is not equivalent to, first evaluate the truth value of the expression. The implication P∧Q→P∨Q is true in all cases: Case 1: P is…

  1. A.

    True

  2. B.

    False

  3. C.

    P⋀Q

  4. D.

    P⋁Q

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Correct answer: B, C, D

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To determine what P∧Q→P∨Q is not equivalent to, first evaluate the truth value of the expression.

The implication P∧Q→P∨Q is true in all cases:

Case 1: P is true, Q is true → P∧Q is true, P∨Q is true → true→true = true.

Case 2: P is true, Q is false → P∧Q is false, P∨Q is true → false→true = true.

Case 3: P is false, Q is true → P∧Q is false, P∨Q is true → false→true = true.

Case 4: P is false, Q is false → P∧Q is false, P∨Q is false → false→false = true.

Since the expression is true in all cases, it is a tautology (always true).

Now evaluate the options:

Option A: True — This is a tautology, so it is equivalent.

Option B: False — This is not a tautology, so it is not equivalent.

Option C: P∧Q — This is not always true (false when P or Q is false), so it is not equivalent.

Option D: P∨Q — This is not always true (false when both P and Q are false), so it is not equivalent.

The question asks for what it is NOT equivalent to. Since the expression is always true, any option that is not always true is not equivalent.

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