13.
Some good actor are not powerful athletes. Therefore, all professional wrestlers are good actor. All professional wrestlers are powerful athlets.
The syllogism involves the fallacy of

16.
Which one of the following rules of inference is employed in the argument.
[N ⊃ (O.P)] • [Q ⊃ (O.P)]
N ∨ Q
∴ (O.P) ∨ (O.R)

18.
The invalidity of an argument can be proved through the shorter truth table technique in which of the following ways?

20.
Find the equivalence by matching List I with List II and select the correct answer:
List-I List-II
a. [(p.q) ⊃ r] ≡ 1. [(p ⊃ q) . (q ⊃ p)]
b. [p ∨ (q.r)] ≡ 2. ∼ p ∨ q
c. [(p ≡ q)] ≡ 3. [p ⊃ (q ⊃ r)]
d. [p ⊃ q] ≡ 4. [(p ∨ q) . (p ∨ r)]

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