Quiznetik

Symbolic Logic | Set 2

1. ‘ ’ is the symbol for ------ ѵ

Correct : C. disjunction

2. The components of a disjunction are called ------------

Correct : B. disjuncts

3. Find the odd one out.

Correct : D. argument

4. The components of conjunction are called _________.

Correct : C. conjuncts

5. ‘It is not the case that Raju is honest’ is a ------ proposition

Correct : B. compound

6. The statement form with both true and false substitution instances is called _________.

Correct : B. contingent

7. Modus Tollens means denying the ________.

Correct : C. both (a) and (b)

8. ‘It is not the case that Ramesh is honest’ is symbolised as ------

Correct : B. ~ r

9. If we can construct a formal proof , the argument is _________.

Correct : D. valid

10. Modus Ponens means _______ the antecedent and the consequent.

Correct : A. affirming

11. Compound propositions are also known as ________.

Correct : D. none of these

12. Simple propositions are also known as ----------------- propositions

Correct : D. none of these

13. Compound propositions are also known as ________.

Correct : A. molecular

14. In disjunction, two simple propositions are combined by ------

Correct : B. and

15. Find the odd one out.

Correct : D. economics

16. ------- is generally regarded as the science of thought

Correct : A. logic

17. ------is an example for normative science

Correct : D. logic

18. _________ is the symbolic expression for ‘p or q’.

Correct : B. p v q

19. Disjunction is a ------- proposition

Correct : C. compound

20. Simple propositions are also known as ----------------- propositions

Correct : B. atomic

21. ‘v ’ symbol connects __________.

Correct : A. disjuncts

22. ----- symbol indicates Implication function

Correct : B. כ

23. Implication is a ------- proposition

Correct : C. compound

24. Find the odd one out.

Correct : D. term

25. _________ is the symbolic expression for ‘p and negation q’.

Correct : C. p v ~q

26. _________ is not a truth-functional connective.

Correct : D. none of these

27. Negation is indicated by _________ symbol.

Correct : A. tilde

28. The symbol _________ indicates material equivalence.

Correct : B. three bar

29. If C is true, Z is false , then the truth value of the compound statement (C כ~ Z)

Correct : B. true

30. ‘John will win the superbowl unless Andrews wins his Championship’ is symbolised as ----

Correct : A. j v a

31. Which one of the following is logically equivalent to ‘p’

Correct : B. ~ ~ p

32. If A is true, X is false , then the truth value of the compound statement (A . ~X)

Correct : B. true

33. ----- had introduced into logic the important notion of variable.

Correct : C. aristotle

34. ‘You will fail in the exam unless you study well’ is symbolized as ---

Correct : B. f v s

35. If A is true, X is false , then the truth value of the compound statement (A v ~X)

Correct : B. true

36. The foundations of logic were laid by ------ in the fourth century B.C.

Correct : C. aristotle

37. If A and B are true, X and Y are false , then the truth value of the compound Statement [ (A כ B) .( Y. X)]

Correct : A. false

38. A and B are true, X and Y are false , then the truth value of the compound Statement [ (A.X) . (B.Y)]

Correct : B. false

39. The truth value of the negation of any false statement is -----

Correct : A. true

40. ‘p v q’ is false if p is ----- and q is --------

Correct : B. false - false

41. ‘p כ q’ is false if p is ----- and q is false

Correct : A. true

42. ‘p . q’ is false if p is ---- q is -----

Correct : D. all of these

43. ‘p v q’ is true if p is----- and q is ------

Correct : D. all of these

44. ‘Railways will win the football cup unless Mohan Bagan wins the football championship’

Correct : B. r v b

45. If B is true, Y is false , then the truth value of the compound statement (~Y v ~B)

Correct : A. true

46. A and B are true, X and Y are false , then the truth value of the compound Statement [ (~A. ~X) . (B vY)]

Correct : B. false

47. ‘ p is a sufficient condition for q’ is symbolised as ----

Correct : B. p כ q

48. If A is true, X is false , then the truth value of the compound statement (~A v ~X)

Correct : A. true

49. The words Truth / Falsity refers to

Correct : D. none of these

50. ‘p only if q’ is symbolised as -----

Correct : B. p כ q

51. . If B is true, Y is false , then the truth value of the compound statement (~B . ~Y)

Correct : B. false

52. The terms Validity/ Invalidity refers to

Correct : D. arguments

53. A and B are true, X and Y are false , then the truth value of the compound Statement [ (A v B) . (X v Y)]

Correct : B. false

54. ‘Either Railways or Navy will win the Football championship’ is symbolised as ---

Correct : C. r v n

55. A and B are true, X and Y are false , then the truth value of the compound Statement [ (A . B) v (X . Y)]

Correct : A. true

56. ‘If Tata wins its first game , then Birla or Reliance wins its first game’ is symbolised as ---

Correct : C. t כ )b v r)

57. ‘ If p then q’ is symbolised as -----

Correct : B. p כ q

58. Truth / Falsity refers to

Correct : A. propositions

59. If A and B are true, X and Y are false , then the truth value of the compound Statement [ (A . Y) v (B . X)]

Correct : B. false

60. Validity/ Invalidity refers to

Correct : D. none of these

61. ( p כ q) is an example for --- statement forms

Correct : C. contingent

62. . A and B are true, X and Y are false , then the truth value of the compound Statement [ (A . X) v (B . Y)]

Correct : B. false

63. The specific form of the given statement W . ~ W is -----

Correct : B. p . ~ p

64. The specific form of the given statement L כ W is -----

Correct : C. p כ q

65. ( p . q) is an example for --- statement forms

Correct : C. contingent

66. ‘Raju is intelligent’ is symbolized as

Correct : C. r

67. Logic is the ………………………………………..

Correct : A. science of reasoning

68. The proposition arrived at on the basis of proposition or propositions in an argument, is called……………………………..

Correct : C. conclusion

69. The proposition or propositions on the basis of which the conclusion is arrived at in an argument is called …………………………..

Correct : C. premise or premises

70. Premises and conclusion are…………………………….

Correct : D. true or false

71. Deductive argument is characterized as…………………………….

Correct : C. valid or invalid

72. Validity of deductive argument depends on……………………………………

Correct : A. form of argument

73. ……………………………………………….reveals the form of argument

Correct : B. use of symbols

74. In the history of logic, …………….………………….are two important stages of development.

Correct : A. Classical logic and Symbolic logic

75. Classical logic is also called ………………………………………

Correct : D. ancient logic

76. Ancient logic is also called…………………………………………..

Correct : D. traditional logic

77. Symbolic logic is also called…………………………………….

Correct : D. mathematical logic

78. Mathematical logic is also called…………………………………….

Correct : D. modern logic

79. Symbolic logic originated in connection with

Correct : A. mathematical theory

80. Classical logic is related to symbolic logic as

Correct : B. embryo to adult organism

81. …………………had introduced into logic the important notion of a variable

Correct : C. Aristotle

82. ………………………….is a symbol which can stand for any one of a given range of values

Correct : D. A variable

83. The development of symbolic logic has been bound up with the development of ………………………

Correct : B. mathematics

84. …………………………………………………….. is the form of the argument

Correct : A. The structure or pattern of the argument

85. A simple proposition is ………………………………………………………………….

Correct : C. one which does not contain any other proposition as it’s component

86. A compound proposition is …………………………………………………………….

Correct : D. one which contains other proposition as it’s component

87. Conjunction is a compound proposition in which the word ………… is used to connect simple statements.

Correct : D. “and”

88. ‘Ramesh is either intelligent or hard working’ is an example of …………………………

Correct : C. disjunction

89. “If it rains, then the road will be wet” is an example for……………………………………….

Correct : C. implication

90. A general proposition is …………………………………

Correct : A. a quantified statement

91. ‘All Keralites are Indians’ is an example for …………………………………………..

Correct : D. Universal affirmative proposition

92. ‘ Some fruits are sweet’ is an example for……………………………………….

Correct : B. particular affirmative proposition

93. ’ Some flowers are not red’ is an example for………………………………………..

Correct : C. particular negative proposition

94. ‘ No birds are fishes’ is an example for ……………………………………………

Correct : C. Universal negative proposition

95. Singly general proposition is a general proposition with ………………………………..

Correct : B. one quantifier

96. Multiply general proposition is a general proposition with ……………………………..

Correct : C. two or more quantifiers

97. …………………………..is a branch of Symbolic Logic

Correct : C. Propositional logic

98. Quantification logic is also called………………………………………

Correct : B. predicate logic

99. ………………………………….analyses the internal structure of propositions

Correct : D. predicate logic

100. ……………………………………. does not analyse the internal structure of propositions

Correct : C. propositional logic