If the values of p. q, rame (T. F. T), (F. T. T), then what will be the truth value of the expression p V (- q - > p ^ r)in each case?

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  1. [T, F]
  2. [F, F]
  3. [F, T]
  4. [T, T]

Answer (Detailed Solution Below)

Option 4 : [T, T]
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Detailed Solution

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The correct answer is Option 4) [T, T].

Key Points

  • We are given two sets of values for (p, q, r):
    • Case 1: (T, F, T)
    • Case 2: (F, T, T)
  • The expression is: p ∨ (¬q → (p ∧ r))
  • We'll evaluate it step-by-step for both cases.

Case 1: p = T, q = F, r = T

  • ¬q = T (since q is F)
  • p ∧ r = T ∧ T = T
  • ¬q → (p ∧ r) = T → T = T
  • p ∨ T = T ∨ T = T

Case 2: p = F, q = T, r = T

  • ¬q = F
  • p ∧ r = F ∧ T = F
  • ¬q → (p ∧ r) = F → F = T (implication is true when antecedent is false)
  • p ∨ T = F ∨ T = T

Final result: [T, T]

Additional Information

  • ¬q means logical NOT of q.
  • (implication) is only false when LHS is true and RHS is false.
  • (OR) is true if at least one operand is true.
  • (AND) is true only if both operands are true.
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