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140+ Essential of Formal Logic Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Arts in Philosophy (BA Philosophy) .

1.

Logic is the science of-----------.

A. thought
B. beauty
C. mind
D. goodness
Answer» A. thought
2.

Aesthetics is the science of ------------.

A. truth
B. matter
C. goodness
D. beauty.
Answer» A. truth
3.

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

A. positive
B. normative
C. descriptive
D. natural.
Answer» B. normative
4.

A normative science is also called ------------ science.

A. natural
B. descriptive
C. positive
D. evaluative.
Answer» D. evaluative.
5.

The ideal of logic is

A. truth
B. beauty
C. goodness
D. god
Answer» B. beauty
6.

The ideal of ethics is

A. truth
B. beauty
C. goodness
D. god
Answer» C. goodness
7.

The ideal of aesthetics is

A. truth
B. beauty
C. goodness
D. god.
Answer» B. beauty
8.

The process by which one proposition is arrived at on the basis of other propositions is called-----------.

A. term
B. concept
C. inference
D. connotation.
Answer» C. inference
9.

Only--------------- sentences can become propositions.

A. indicative
B. exclamatory
C. interogative
D. imperative.
Answer» A. indicative
10.

Propositions which supports the conclusion of an argument are called

A. inferences
B. premises
C. terms
D. concepts.
Answer» B. premises
11.

That proposition which is affirmed on the basis of premises is called

A. term
B. concept
C. idea
D. conclusion.
Answer» D. conclusion.
12.

The etymological meaning of the word logic is

A. the science of mind
B. the science of thought
C. the science of conduct
D. the science of beautyody .
Answer» B. the science of thought
13.

The systematic body of knowledge about a particular branch of the universe is called------- .

A. science
B. art
C. religion
D. opinion.
Answer» A. science
14.

The process of forming a mental image is called

A. willing
B. feeling
C. conception
D. knowing.
Answer» C. conception
15.

The verbal expression of a concept is called a --------.

A. proposition
B. argument
C. judgment
D. term.
Answer» D. term.
16.

The verbal expression of a judgment is called ----------.

A. argument
B. term
C. proposition
D. reasoning.
Answer» C. proposition
17.

The verbal expression of reasoning is called---------.

A. an argument
B. a term
C. a proposition
D. a concept.
Answer» A. an argument
18.

According to James Mill logic is

A. an art
B. a science
C. science and art
D. religion.
Answer» B. a science
19.

“Logic is the science which treats of the operations of the human mind in its search for truth”- is a definition of logic by

A. creighton
B. whately
C. mill
D. thompson.
Answer» A. creighton
20.

A ---------- is either true or false.

A. question
B. command
C. proposition
D. exclamation.
Answer» C. proposition
21.

A ------- does not belong to a particular language.

A. sentence
B. proposition
C. judgment
D. term.
Answer» B. proposition
22.

A -------- does not have a physical existence.

A. proposition
B. sentence
C. term
D. judgment.
Answer» A. proposition
23.

The premisses provide conclusive grounds for the conclusion in ----------- argument.

A. inductive
B. deductive
C. fallacious
D. intuitive.
Answer» B. deductive
24.

The argumentation becomes a closed system in

A. deduction
B. induction
C. material logic
D. intuitive logic.
Answer» A. deduction
25.

That cannot advance beyond the scope of its premises is

A. induction
B. material logiv
C. deduction
D. dilemma.
Answer» C. deduction
26.

The defining feature of a valid deduction is its

A. vagueness
B. uncertatinty
C. indefiniteness
D. certainty.
Answer» D. certainty.
27.

Deductive arguments are typically ----------.

A. analytic
B. synthetic
C. intuitive
D. material.
Answer» A. analytic
28.

The relationship between premises and conclusion in a deductive argument is--.

A. cause-effect
B. analytic-synthetic
C. a priori-a posteriori
D. implication-entailment.
Answer» D. implication-entailment.
29.

In induction, reasoning proceeds to a conclusion that is ---------- to the scope of its premises.

A. confined
B. not confined
C. narrow
D. restricted.
Answer» B. not confined
30.

In inductive reasoning the conclusion is -------.

A. probable
B. certain
C. definite
D. predictable.
Answer» A. probable
31.

Discovering a new ------- is permissible in inductive reasoning.

A. cause
B. effect
C. assumption
D. evidence.
Answer» D. evidence.
32.

Inductive arguments are properly characterised as

A. valid-invalid
B. strong-weak
C. definite-indefinite
D. certain-uncertain.
Answer» B. strong-weak
33.

Induvtive method is identified with

A. religious activity
B. scientific activity
C. moral activity
D. aesthetic activity.
Answer» B. scientific activity
34.

A single ------ is enough to prove the inductive conclusion false.

A. intuition
B. assumption
C. counter-example
D. concept.
Answer» C. counter-example
35.

An advantage of inductive reasoning is

A. to sustain existing belifs
B. to formulate valid arguments
C. to create aesthetic sense
D. to frame future expectations.
Answer» D. to frame future expectations.
36.

Truth or Falsehood may be predicated of --------.

A. arguments
B. inferences
C. propositions
D. syllogism.
Answer» C. propositions
37.

Validity or Invalidity may be predicated of ---------.

A. deductive arguments
B. propositions
C. terms
D. concepts.
Answer» A. deductive arguments
38.

The falsehood of a valid deductive argument’s conclusion guarantees that

A. the argument is sound
B. atleast one of the premise is false
C. premises are true
D. the validity is uncertain.
Answer» B. atleast one of the premise is false
39.

If it is possible for the premises of a deductive argument to be true and its conclusion to be false, that argument is

A. valid
B. invalid
C. indescribable
D. sound.
Answer» B. invalid
40.

The claim of an inductive argument is that premises provide---------- for the conclusion.

A. invalidity
B. absolute evidence
C. no evidence
D. some evidence
Answer» D. some evidence
41.

The following argument: Aristotle is human and mortal. Bacon is human and mortal. Castro is human and mortal. Descartes is human and mortal. Therefore all humans are mortal. is an example for --------- argument.

A. deductive
B. inductive
C. syllogistic
D. deduction-induction combined.
Answer» B. inductive
42.

A valid deductive argument with true premises is called a ------ argument.

A. sound
B. unsound
C. fallacious
D. dilemma.
Answer» A. sound
43.

A deductive argument is sound if and only if it is

A. valid and all its premises are true
B. invalid and all its premises are true
C. is valid and one of the premise is false
D. is valid and its conclusion is false.
Answer» A. valid and all its premises are true
44.

Deduction and Induction are two main forms of---------.

A. beliefs
B. concepts
C. reasoning
D. assumptions.
Answer» C. reasoning
45.

Deductive logic is also known as

A. intuitive logic
B. material logic
C. formal logic
D. scientific logic.
Answer» C. formal logic
46.

Inductive logic is also known as

A. formal logic
B. model logic
C. material logic
D. sentential logic
Answer» C. material logic
47.

The following argument: “ All mammals have wings. All reptiles are mammals. Therefore all reptiles have wings ”. Is----------.

A. inductive
B. invalid
C. sound
D. valid.
Answer» D. valid.
48.

Deduction and Induction are two types of----------.

A. arguments
B. terms
C. prpositions
D. concepts.
Answer» A. arguments
49.

A term can have -------- in its proposition.

A. vague meaning
B. many meanings
C. no meaning
D. only one meaning.
Answer» D. only one meaning.
50.

Words and names can become terms only if they are used in---------.

A. an argument
B. propostion
C. thought
D. reasoning.
Answer» B. propostion

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