Chp-1

Question 1

Shorter truth table is an _____ method

Answer 1

Indirect

Question 2

_____ method is based on the principle of reductio-ad-absurdum

Answer 2

Shorter truth table

Question 3

If both the antecedent and consequent of an impulsive statement are false then the statement is___

Answer 3

True

Question 4

If the inconsistency is obtained after assuming the given statement form to be false then the statement form is proved to be ______

Answer 4

Tautology

Question 5

When both the components of a distinctive statement are false than the truth value of the statement is_______

Answer 5

False

Question 6

When we denied tautology we get

Answer 6

Contradiction

Question 7

If p is true then negation p is

Answer 7

False

Question 8

Short truth table is a

Answer 8

Decision procedure

Question 9

Equivalence is _____ when both its components are false

Answer 9

False

Question 10

_____ is a symbol used for negative statement

Answer 10

~

Question 11

A negative statement is false when it’s component statement is true

Answer 11

True

Question 12

If a conjunctive proposition is false both its components must be false

Answer 12

False

Question 13

‘•’ is a monadic connective

Answer 13

False

Question 14

Inconsistency in a shorter truth table is obtained when a rule of basic truth table is violated

Answer 14

True

Question 15

Shorter truth table is method is inconvenient than the truth table method

Answer 15

False

Question 16

Shorter truth table is based on the reductio-ad-absurdum

Answer 16

False

Question 17

Contingency is always true

Answer 17

False

Question 18

If the consequent is true then the implicative statement must be true

Answer 18

True

Question 19

Contradictionary statement form is always false

Answer 19

True

Question 20

’ pV~p’ is a tautology

Answer 20

True

Question 21

Shorter truth table – always true
Truth table – always false
Contradiction – direct method
Tautology – Reductio-ad-absurdum

Answer 21

Short and truth table– reductio-ad-absurdum
Truth table – direct method
Contradiction – always false
Tautology – always true

Question 22

A statement form which is always true

Answer 22

Tautology

Question 23

A decision procedure based on reductio-ad-absurdum

Answer 23

Shorter truth table

Question 24

Statement form which is true under all truth possibility of its components

Answer 24

Tautology

Question 25

A decision procedure which is an indirect method

Answer 25

Shorter truth table

Question 26

Statement having antecedent and consequent as its components

Answer 26

Implicative statement

Question 27

Statement form which is false under all possibilities

Answer 27

Contradiction

Question 28

Statement form which is true under some possibilities and false under some possibilities

Answer 28

Contingency