Question 1

Logic is a-------- science
A)positive science
B)normative science
C)descriptive science
D)none of these

Accepted Answer

Logic is considered a normative science because it deals with the norms or principles that govern correct reasoning, rather than describing or explaining phenomena as a descriptive science would.

Question 2

Logic is the Science of --------
A)plants
B)thought
C)wealth
D)society

Accepted Answer

Logic is the science that evaluates reasoning within arguments, focusing on the principles of valid thought and inference, rather than the study of plants, wealth, or society.

Question 3

In Symbolic logic, ________ do not change their value.
A)constants
B)negation
C)variables
D)inference

Accepted Answer

Constants in symbolic logic are symbols that represent specific, unchanging values or entities, unlike variables which can represent different values in different contexts.

Question 4

In _______ proposition, two simple propositions are combined by 'either -- or'.
A)disjunctive c
B)negative
C)conjunctive
D)implication

Accepted Answer

A disjunctive proposition is one where two simple propositions are combined by 'either -- or', indicating a choice between them.

Question 5

'Socrates is a Philosopher' is a -------- proposition
A)compound
B)simple
C)general
D)none of these

Accepted Answer

The statement 'Socrates is a Philosopher' is a simple proposition because it expresses a single idea without any conjunctions or disjunctions connecting it to another statement.

Question 6

'If it is raining then the ground will be wet' is an example of ________.
A)negation
B)conjunction
C)disjunction
D)implication

Accepted Answer

This statement is an example of implication, which is a logical relationship where one statement (if it is raining) implies another (then the ground will be wet).

Question 7

A curl is also called ________.
A)tilde
B)dot
C)wedge
D)horseshoe

Accepted Answer

The answer of A curl is also called ________.
A)tilde
B)dot
C)wedge
D)horseshoe...

Question 8

'If p, then q and r' is symbolized as _________.
A)p . (q. r)
B)(p . q) . r
C)(~p. q) . r
D)p? (q . r)

Accepted Answer

The correct symbolization for 'If p, then q and r' is 'p → (q ∧ r)', which is most closely represented by option D, using '?' to symbolize the conditional 'if...then...' and '.' to symbolize 'and'.

Question 9

' Ram is tall and Das is short' is an example of --------- proposition
A)compound
B)simple
C)general
D)none of these

Accepted Answer

The statement "Ram is tall and Das is short" is a compound proposition because it connects two simple statements ("Ram is tall" and "Das is short") with the conjunction "and."

Question 10

Symbolic expression of 'p implies q' is
A)p . q
B)p v q
C)p ? q
D)p ? q

Accepted Answer

The answer of Symbolic expression of 'p implies q' is
A)p...

Question 11

----------- changes its value from argument to argument.
A)variable
B)constant
C)both (a) and (b)
D)none of these

Accepted Answer

A variable, by definition, is an element, feature, or factor that is liable to vary or change. Constants, on the other hand, do not change their value.

Question 12

Wedge symbol denotes ________ function.
A)negation
B)conjunction
C)disjunction
D)implication

Accepted Answer

The answer of Wedge symbol denotes ________ function.
A)negation
B)conjunction
C)disjunction
D)implication...

Question 13

---------- symbol stands for 'if -- then' relationship.
A).
B)?
C)?
D)~

Accepted Answer

The answer of ---------- symbol stands for 'if -- then'...

Question 14

In the compound statement 'p ? q', 'p' and 'q' are _________.
A)constants
B)bi conditionals
C)variables
D)none of these

Accepted Answer

In the context of logical expressions or compound statements, 'p' and 'q' represent variables. These variables can take on values that represent logical states, such as true or false.

Question 15

'Raju is not honest' is an example of a _________ proposition.
A)bi conditional
B)conjunctive
C)disjunctive
D)negative

Accepted Answer

The statement 'Raju is not honest' is an example of a negative proposition because it negates or denies a quality (honesty) of the subject (Raju).

Question 16

The known propositions in an Inference is called
A)conclusion
B)predicate
C)premises
D)none of these

Accepted Answer

The answer of The known propositions in an Inference is...

Question 17

'~' is _________ symbol
A)disjunction
B)implication
C)negation
D)none of these

Accepted Answer

The '~' symbol is commonly used to represent negation in logic, indicating the negation or "not" operation on a statement.

Question 18

In conjunctive propositions, two simple propositions are joined by the word _________.
A)either - or
B)and
C)if -- then
D)either - or.

Accepted Answer

In conjunctive propositions, two simple propositions are joined by the word "and," forming a compound statement that is true only if both propositions are true.

Question 19

The language used with the purpose of giving information is called --- function of language
A)expressive
B)informative
C)directive
D)none of these

Accepted Answer

The informative function of language is used to provide facts, information, and descriptions. This function is focused on conveying knowledge and information to the listener or reader.

Question 20

'Logic is the study of correct reasoning' is an example for ---- function of language
A)informative
B)expressive
C)directive
D)none of these

Accepted Answer

The statement 'Logic is the study of correct reasoning' serves an informative function because it provides factual information or knowledge about the subject of logic.

Quiz 1: Logic and Language

Logic is a-------- science

Logic is the Science of --------

In Symbolic logic, ________ do not change their value.

In _______ proposition, two simple propositions are combined by 'either -- or'.

'Socrates is a Philosopher' is a -------- proposition

'If it is raining then the ground will be wet' is an example of ________.

A curl is also called ________.

'If p, then q and r' is symbolized as _________.

' Ram is tall and Das is short' is an example of --------- proposition

Symbolic expression of 'p implies q' is

----------- changes its value from argument to argument.

Wedge symbol denotes ________ function.

---------- symbol stands for 'if -- then' relationship.

In the compound statement 'p ? q', 'p' and 'q' are _________.

'Raju is not honest' is an example of a _________ proposition.

The known propositions in an Inference is called

'~' is _________ symbol

In conjunctive propositions, two simple propositions are joined by the word _________.

The language used with the purpose of giving information is called --- function of language

'Logic is the study of correct reasoning' is an example for ---- function of language