Question # 1

Logic in which there is scope of third or fourth possibility is called.

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non-Aristotlian logic

Aristotlian logic

Postulates

induction logic

The conjunction of 3>5, and 5<9, is

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false

true

unknown

disjunction

A conjunction is considered to be true only if both its components are

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False

Equivalent

Equal

True

To draw conclusions from some expreiments or few contacts only is called

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deduction

implication

conjunction

induction

An implication of p and q is denoted by

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We often consult doctors or lawyers on the basis of their good

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personality

behaviour

reputation

good dealing

All men are mortal, We are men, there fore, we are also mortal. This is a useful example of

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Deduction

Induction

Conjuction

disjunction

Any conditional and its contrapositive are

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Equilavant

Opposite

Equal

Not Equal

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p and q

p or q

p implies q

p is equivalent to q

The conjunction of 3>5 , and 5>9, is

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False

True

Disjunction

Unknown

10 is a even number or 0 is a natural number, then truth value of this disjunction is

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False

True

Not discussed

negation of first

If both p and q are false, then the disjunction of p and q is

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false

true

equal

equivalent

Which of the following statement, is ture

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Lahore is in Punjab and 5>7

Lahore is the capital of Pakistan and 3<23

Lahore is capital of Sindh and 2+2=7

Lahore is the capital of Sindh or 2+2 = 4

The greater part of our knowledge, is based on

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deduction

induction

conjunction

disjunction

All men are mortal. We are men, therefore, we are also mortal. This is a useful example of

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deduction

induction

conjunction

disjunction

A conjunction is considered to he true only if both its components are

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false

equilvalent

equal

true

The converse and Inverse are

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Equivalent to each other

Opposite to each other

Equal to each other

Not Equal to each other

The symbol∋ stand for

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Such that

There exist

For all

Belongs to

The symbol ∃ stand for

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Such that

This implies that

For all

There exist

The disjunction of two statements p and q, is denoted symbolically as

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To draw conclusions from some experiments or few contacts only is called:

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Deduction

Implication

Conjunction

Induction

Basic-principles of deductive logic were laid down by:

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Euelid

Leibniz

Aristotle

Newton

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conclusion

consequent

hypothesis

conditional

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ECAT Pre General Science Mathematics Chapter 3 Logic Online Test MCQs With Answers

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