# Discrete Mathematics-Prepositional Logic [NTA-NET (Based on NTA-UGC) Computer Science (Paper-II)]: Questions 1 - 5 of 27

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## Question number: 1

» Discrete Mathematics » Prepositional Logic

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Appeared in Year: 2015

MCQ▾

### Question

Consider the compound propositions given below as:

Which of the above propositions are tautologies? (December)

### Choices

Choice (4)Response

a.

(1) and (3)

b.

(2) and (3)

c.

(1) and (2)

d.

(1), (2) and (3)

## Question number: 2

» Discrete Mathematics » Prepositional Logic

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Appeared in Year: 2015

MCQ▾

### Question

In Propositional Logic, given P and P→Q, we can infer……………. . (December)

### Choices

Choice (4)Response

a.

Q

b.

~Q

c.

P∧Q

d.

~P∧Q

## Question number: 3

» Discrete Mathematics » Prepositional Logic

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Appeared in Year: 2012

MCQ▾

### Question

Skolmization is the process of (December Paper III)

### Choices

Choice (4)Response

a.

bringing all the quantifiers in the beginning of a formula in FDL.

b.

removing all the universal quantifiers.

c.

removing all the existential quantifiers.

d.

All of the above

## Question number: 4

» Discrete Mathematics » Prepositional Logic

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Appeared in Year: 2013

MCQ▾

### Question

Let P (m, n) be the statement “m divides n” where the universe of discourse for both the variables is the set of positive integers. Determine the truth values of each of the following propositions:

I.

II. (December Paper-II)

### Choices

Choice (4)Response

a.

I – false & II – true

b.

I and II are true

c.

I – true & II – false

d.

I and II are false

## Question number: 5

» Discrete Mathematics » Prepositional Logic

Edit

Appeared in Year: 2013

MCQ▾

### Question

Which of the following is a correct predicate logic statement for “Every Natural number has one successor”? (September Paper-III)

### Choices

Choice (4)Response

a.

b.

c.

d.

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