Deck 2: Propositions and Connectives in Logic

Question 1

'Shut the door' is an example of ------ --- function of language

A)informative
B)expressive
C)directive
D)none of these

Answer 1

directive

Question 2

By using ________, the validity of an argument can be determined more accurately.

A)numbers
B)linguistic expressions
C)symbols
D)all these

Answer 2

symbols

Question 3

The new proposition derived from premises in an Inference is called

A)premises
B)conclusion
C)copula
D)predicate

Answer 3

conclusion

Question 4

A compound proposition in which simple propositions are combined using 'and' is called

A)bi conditionals
B)disjunction
C)conjunction
D)none of these

Question 5

'p q' is a ________ proposition. ?

A)disjunction
B)implication
C)negation
D)none of these

Question 6

'The Mathematical Analysis of Logic' is the work of -----

A)whitehead
B)a j ayer
C)russell
D)george boole

Question 7

'An Investigation of the Laws of Thought' is the work of -----

A)george boole
B)a j ayer
C)russell
D)whitehead

Question 8

In collaboration with A.N. Whitehead, ----- published Principia Mathematica

A)whitehead
B)a j ayer
C)russell
D)george boole

Question 9

_________ is a truth-functional connective.

A)dot
B)wedge
C)horseshoe
D)all these

Question 10

The symbol for conjunction is --------

A)dot
B)wedge
C)horseshoe
D)all these

Question 11

---------- symbol stands for 'either - or ' relationship.

A).
B)?
C)?
D)~

Question 12

'?' is the symbol for ________.

A)negation
B)conjunction
C)implication
D)none of these

Question 13

'If a and b, then c' is symbolized as _________.

A)[(a . b) ? c]
B)[a ?) b . c)]
C)[( ~a ? b) .c ]
D)[(a ? b) v c)]

Question 14

'You will pass the exam only if you work hard' is symbolized as _________.

A)p ? w
B)p . w
C)p v w
D)none of these

Question 15

---------- symbol stands for 'if and only if' relationship.

A).
B)?
C)?
D)?

Question 16

p . q is the symbolic expression of ------

A)either p or q
B)p implies q
C)p and q
D)p if and only if q

Question 17

The horseshoe symbol indicates ------ function

A)negation
B)conjunction
C)implication
D)material equivalence

Question 18

'Ram and Dinesh will not both be elected' is symbolized as

A). (r . d)
B). (~r. d )
C). ~ (r . d)
D). (~r)

Question 19

'Either Alice or Betty will be elected' is symbolized as

A)a .b
B)a v b
C)a ? b
D)a ? b

Question 20

'Ram is not honest' is symbolized as ----

A)~ r
B)r
C)r . h
D)r ? h

Question 21

'Anu is short and Balu is tall' is symbolized as ----

A)a v b
B)a. b
C)a? b
D)a ? b

Question 22

'~ ~' is the symbol for ________.

A)bi conditionals
B)disjunction
C)double negation
D)none of these

Question 23

'Anu is not short and Balu is not tall' is symbolized as ----

A)a v b
B)a . b
C)~a . ~ b
D)none of these