OOPS
March 2, 2024Question 9139 – Data-Structures
March 3, 2024Question 9838 – Propositional-Logic
Let a, b, c, d be propositions. Assume that the equivalence a ↔ (b ∨ -b) and b ↔ c hold. Then the truth-value of the formula (a ∧ b) → (a ∧ c) ∨ d is always
Correct Answer: A
Question 9 Explanation:
a ↔ (b ∨-b) and b ↔ c
Given ⇒ (a∧b) → (a∧c) ∨d
⇒ (a∧b) → (a∧c) ∨d (b⇔c)
⇒ T∨d
⇒ T
Given ⇒ (a∧b) → (a∧c) ∨d
⇒ (a∧b) → (a∧c) ∨d (b⇔c)
⇒ T∨d
⇒ T
True
False
Same as the truth-value of b
Same as the truth-value of d
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