51. Syllogism fail to establish conclusion In many different ways, Iogically it is said . . . . . . . .
52. Which one of the following is conditional?
53. Match List-I with List-II and select the correct answer:
List-I (Name of the logical equivalent)
List-II (Form of logical equivalent)
a. Commutation
1. (p ⊃ q) ≡ (∼ q ⊃ ∼ p)
b. Distribution
2. (p ∨ q) ≡ (q ∨ p)
c. Transposition
3. (p ⊃ q) ≡ (∼ p ∨ q)
d. Material implication
4. [p ⋅ (q ∨ r)] ≡ [(p ⋅ q) ∨ (p ⋅ r)]
List-I (Name of the logical equivalent) | List-II (Form of logical equivalent) |
a. Commutation | 1. (p ⊃ q) ≡ (∼ q ⊃ ∼ p) |
b. Distribution | 2. (p ∨ q) ≡ (q ∨ p) |
c. Transposition | 3. (p ⊃ q) ≡ (∼ p ∨ q) |
d. Material implication | 4. [p ⋅ (q ∨ r)] ≡ [(p ⋅ q) ∨ (p ⋅ r)] |
54. How the Universal proposition is used ?
55. Which one of the following expression is the correct form of Demorgan theorem?
56. In the for (p ⊃ q) ∨ p. How many propositional variables are present?
57. What do you understand by the word 'Argument'?
58. Consider the following argument and argument form
1. (A.B) ⊃ C
(A.B)
∴ C
2. p ⊃ q
p
∴ q
Select the correct answer:
1. (A.B) ⊃ C
(A.B)
∴ C
2. p ⊃ q
p
∴ q
Select the correct answer:
59. In Logic, semantic completeness is regarded as the converse of soundness for
60. Negation symbol (∼) used to state the value of ∼ p as
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