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.

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.  
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B) Invalid
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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.

Description : 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. 

Last Answer : A) valid and all its premises are true 

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.

Description : 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. 

Last Answer : B) atleast one of the premise is false 

A valid deductive argument with true premises is called a ------ argument. A) sound B) unsound C) fallacious D) dilemma.

Description : A valid deductive argument with true premises is called a ------ argument. A) sound B) unsound C) fallacious D) dilemma.  

Last Answer : A) sound 

The relationship between premises and conclusion in a deductive argument is--. A) Cause-Effect B) Analytic-Synthetic C) A priori-A posterior D) Implication-Entailment.

Description : The relationship between premises and conclusion in a deductive argument is--. A) Cause-Effect B) Analytic-Synthetic C) A priori-A posterior D) Implication-Entailment. 

Last Answer : D) Implication-Entailment. 

The premises provide conclusive grounds for the conclusion in ----------- argument. A) Inductive B) Deductive C) Fallacious D) Intuitive

Description : The premises provide conclusive grounds for the conclusion in ----------- argument. A) Inductive B) Deductive C) Fallacious D) Intuitive

Last Answer : B) Deductive

Given below are some characteristics of reasoning. Select the code that states a characteristic which is not of deductive reasoning: (A) The conclusion must be based on observation and experiment (B) The conclusion should be supported by the premise/premises (C) The conclusion must follow from the premise/premises necessarily (D) The argument may be valid or invalid

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Last Answer : (A) The conclusion must be based on observation and experiment

Which one among the following is not a characteristic of a deductive type of argument ? (A) The conclusion follows from the premise/premises necessarily. (B) The argument admits degree of complexity. (C) The argument provides us knowledge about matters of fact. (D) The argument must be either valid or invalid.

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Last Answer : (C) The argument provides us knowledge about matters of fact.

A deductive argument is invalid if: (A) Its premises and conclusions are all true (B) Its premises and conclusions are all false (C) Its premises are true but its conclusion is false (D) Its premises are false but its conclusion is true

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Last Answer : (C) Its premises are true but its conclusion is false

Select the code which states the condition of an invalid deductive argument : (A) All the premises are true but the conclusion is false. (B) Some of the premises are true but the conclusion is false. (C) All the premises are false and the conclusion is also false. (D) All the premises are true and the conclusion is also true.

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Last Answer : (A) All the premises are true but the conclusion is false. 

A deductive argument can not be valid : (A) If its premise / premises is/are true and its conclusion is true. (B) If its premise / premises is /are true and its conclusion is false. (C) If its premise / premises is/are false and its conclusion is false. (D) If its premise / premises is / are false and its conclusion is true.

Description : A deductive argument can not be valid : (A) If its premise / premises is/are true and its conclusion is true. (B) If its premise / premises is /are true and its conclusion is false. (C) If ... conclusion is false. (D) If its premise / premises is / are false and its conclusion is true.

Last Answer : (B) If its premise / premises is /are true and its conclusion is false

Select the code, which is not correct in the context of deductive argument with two premises: (A) An argument with one true premise, one false premise and a false conclusion may be valid. (B) An argument with two true premises and a false conclusion may be valid. (C) An argument with one true premise, one false premise and a true conclusion may be valid. (D) An argument with two false premises and a false conclusion may be valid.

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Last Answer : (B) An argument with two true premises and a false conclusion may be valid. 

A deductive argument is valid if: (A) premises are false and conclusion true (B) premises are false and conclusion is also false (C) premises are true and conclusion is false (D) premises are true and conclusion is true

Description : A deductive argument is valid if: (A) premises are false and conclusion true (B) premises are false and conclusion is also false (C) premises are true and conclusion is false (D) premises are true and conclusion is true

Last Answer : (D) premises are true and conclusion is true

All Indians are hardworking All Keralites are Indians Therefore, All Keralites are hardworking The above argument is A) Invalid B) False C) Valid D) True

Description : All Indians are hardworking All Keralites are Indians Therefore, All Keralites are hardworking The above argument is A) Invalid B) False C) Valid D) True 

Last Answer : C) Valid 

The following argument: “ All mammals have wings. All reptiles are mammals. Therefore all reptiles have wings ”. A) Inductive B) invalid C) sound D) Valid.

Description : The following argument:  “ All mammals have wings.  All reptiles are mammals.  Therefore all reptiles have wings ”. A) Inductive  B) invalid  C) sound  D) Valid. 

Last Answer :  D) Valid. 

The premises of a valid deductive argument: (A) Provide some evidence for its conclusion (B) Provide no evidence for its conclusion (C) Are irrelevant for its conclusion (D) Provide conclusive evidence for its conclusion

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Last Answer : (D) Provide conclusive evidence for its conclusion

Both premises and conclusion of an argument are _______. A) Commands B) Propositions C) Exclamations D) Questions.

Description : Both premises and conclusion of an argument are _______. A) Commands B) Propositions C) Exclamations  D) Questions.  

Last Answer : B) Propositions 

The claim of an inductive argument is that premises provide---------- for the conclusion. A) invalidity B) absolute evidence C) no evidence D) some evidence

Description : The claim of an inductive argument is that premises provide---------- for the conclusion. A) invalidity B) absolute evidence C) no evidence D) some evidence 

Last Answer : D) some evidence 

Propositions which supports the conclusion of an argument are called A) Inferences B) Premises C) Terms D) Concepts.

Description : Propositions which supports the conclusion of an argument are called  A) Inferences B) Premises C) Terms D) Concepts.

Last Answer : B) Premises 

Two_______ premises yield no valid conclusion. A) universal B) particular C) affirmative D) categorical.

Description : Two_______ premises yield no valid conclusion. A) universal B) particular C) affirmative D) categorical. 

Last Answer : B) particular 

Choose the right code: A deductive argument claims that: I. The conclusion does not claim something more than that which is contained in the premises. II. The conclusion is supported by the premise/premises conclusively. III. If the conclusion is false, then premise/premises may be either true or false. IV. If premise/combination of premises is true, then conclusion must be true. Codes : (A) I and II (B) I and III (C) II and III (D) All the above

Description : Choose the right code: A deductive argument claims that: I. The conclusion does not claim something more than that which is contained in the premises. II. The conclusion is supported by the premise/premises conclusively. III. If ... (A) I and II (B) I and III (C) II and III (D) All the above

Last Answer : Answer: A

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Description : Which of the following statements are true? Choose from the codes given below. 1. Some arguments, while not completely valid, are almost valid. 2. A sound argument may be invalid. 3. A cogent argument may have a probably false ... Codes: (A) 1 and 2 (B) 1, 3 and 4 (C) 4 alone (D) 3 and 4

Last Answer : (D) 3 and 4

From two ________ premises no conclusion is possible. A) universal B) affirmative C) negative D) categorical

Description : From two ________ premises no conclusion is possible. A) universal B) affirmative C) negative D) categorical  

Last Answer : C) negative

Can a valid deductive argument have a false conclusion?

Description : Can a valid deductive argument have a false conclusion?

Last Answer : Feel Free to Answer

When the conclusion of an argument follows from its premise/premises conclusively, the argument is called (A) Circular argument (B) Inductive argument (C) Deductive argument (D) Analogical argument

Description : When the conclusion of an argument follows from its premise/premises conclusively, the argument is called (A) Circular argument (B) Inductive argument (C) Deductive argument (D) Analogical argument

Last Answer : (C) Deductive argument

In a deductive argument conclusion is: (A) Summing up of the premises (B) Not necessarily based on premises (C) Entailed by the premises (D) Additional to the premises

Description : In a deductive argument conclusion is: (A) Summing up of the premises (B) Not necessarily based on premises (C) Entailed by the premises (D) Additional to the premises

Last Answer : (C) Entailed by the premises

In induction, reasoning proceeds to a conclusion that is ---------- to the scope of its premises. A) confined B) not confined C) narrow D) restricted.

Description : In induction, reasoning proceeds to a conclusion that is ---------- to the scope of its premises.   A) confined B) not confined C) narrow D) restricted.

Last Answer : B) not confined 

That term which occurs in the premises and not in the conclusion is A) Major term B) Minor term C) Copula D) Middle term.

Description : That term which occurs in the premises and not in the conclusion is A) Major term B) Minor term C) Copula D) Middle term. 

Last Answer : D) Middle term. 

That proposition which is affirmed on the basis of premises is called A) Term B) Concept C) Idea D) Conclusion.

Description : That proposition which is affirmed on the basis of premises is called A) Term B) Concept C) Idea D) Conclusion.

Last Answer :  D) Conclusion. 

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.

Description : 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 ... ---- argument. A) Deductive  B) Inductive C) Syllogistic D) Deduction-Induction combined. 

Last Answer : B) Inductive 

Inductive arguments are properly characterised as A) valid-invalid B) strong-weak C) definite-indefinite D) certain-uncertain.

Description : Inductive arguments are properly characterised as A) valid-invalid B) strong-weak C) definite-indefinite D) certain-uncertain. 

Last Answer : B) strong-weak 

A single ------ is enough to prove the inductive conclusion false. A) intuition B) Assumption C) counter-example D) concept.

Description : A single ------ is enough to prove the inductive conclusion false. A) intuition B) Assumption C) counter-example D) concept. 

Last Answer : C) counter-example

Which form of reasoning is the process of drawing a specific conclusion from a set of premises? a. Rationalism b. Deductive Reasoning c. Inductive Reasoning d. Probabilistic

Description : Which form of reasoning is the process of drawing a specific conclusion from a set of premises? a. Rationalism b. Deductive Reasoning c. Inductive Reasoning d. Probabilistic

Last Answer : b. Deductive Reasoning

A syllogism is form of mediate _________ inference. A) deductive B) inductive C) intuitive D) fallacious.

Description : A syllogism is form of mediate _________ inference. A) deductive B) inductive C) intuitive D) fallacious.

Last Answer : A) deductive

Deductive logic is also known as A) Intuitive logic B) Material logic C) Formal logic D) Scientific logic.

Description : Deductive logic is also known as A) Intuitive logic B) Material logic C) Formal logic D) Scientific logic. 

Last Answer : C) Formal logic 

Validity or Invalidity may be predicated of ---------. A) Deductive arguments B) propositions C) terms D) concepts.

Description : Validity or Invalidity may be predicated of ---------. A) Deductive arguments B) propositions C) terms D) concepts. 

Last Answer : A) Deductive arguments 

Deductive arguments are typically ----------. A) Analytic B) Synthetic C) Intuitive D) Material.

Description : Deductive arguments are typically ----------. A) Analytic B) Synthetic C) Intuitive D) Material. 

Last Answer : A) Analytic 

Which of the following statements are false ? Choose from the code given below : 1. Inductive arguments always proceed from the particular to the general. 2. A cogent argument must be inductively strong. 3. A valid argument may have a false premise and a false conclusion. 4. An argument may legitimately be spoken of as ‘true’ or ‘false’. Code : (A) 2, 3 and 4 (B) 1 and 3 (C) 2 and 4 (D) 1 and 2

Description : Which of the following statements are false ? Choose from the code given below : 1. Inductive arguments always proceed from the particular to the general. 2. A cogent argument must be inductively strong. 3. A valid argument may have a ... (A) 2, 3 and 4 (B) 1 and 3 (C) 2 and 4 (D) 1 and 2

Last Answer : (C) 2 and 4

That cannot advance beyond the scope of its premises is A) Induction B) Material logic C) Deduction D) Dilemma.

Description : That cannot advance beyond the scope of its premises is A) Induction B) Material logic C) Deduction D) Dilemma. 

Last Answer : C) Deduction 

The proposition: “Socrates is wise”, is an example for ___________ proposition. A) negative B) singular C) emotive D) invalid.

Description : The proposition: “Socrates is wise”, is an example for ___________ proposition. A) negative B) singular C) emotive D) invalid.

Last Answer : B) singular 

__________ fallacy occurs when a term is used in two different meanings in the syllogism. A) Undistribute middle B) Two negative premises C) Equivocation D) Illicit major.

Description :  __________ fallacy occurs when a term is used in two different meanings in the syllogism.  A) Undistribute middle B) Two negative premises C) Equivocation D) Illicit major.

Last Answer : C) Equivocation 

____________ is a fallacy which occurs when a syllogism uses its major term in one sense in the premise and in a different sense in the conclusion. A) Fallacy of ambiguous major B) Fallacy of ambiguous minor C) Fallacy of ambiguous middle D) Fallacy of undistributed middle

Description :  ____________ is a fallacy which occurs when a syllogism uses its major term in one sense in the premise and in a different sense in the conclusion. A) Fallacy of ambiguous major B) Fallacy of ambiguous minor C) Fallacy of ambiguous middle D) Fallacy of undistributed middle

Last Answer : A) Fallacy of ambiguous major

Given below are some characteristics of logical argument. Select the code which expresses a characteristic which is not of inductive in character. (A) The conclusion is claimed to follow from its premises. (B) The conclusion is based on causal relation. (C) The conclusion conclusively follows from its premises. (D) The conclusion is based on observation and experiment

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Last Answer : (C) The conclusion conclusively follows from its premises. 

A dilemma is complex when the conclusion is __________ proposition. A) implicative B) categorical C) disjunctive D) negative

Description : A dilemma is complex when the conclusion is __________ proposition. A) implicative B) categorical C) disjunctive D) negative 

Last Answer : C) disjunctive

A dilemma is simple when the conclusion is__________ proposition. A) disjunctive B) implicative C) negative D) categorical

Description : A dilemma is simple when the conclusion is__________ proposition. A) disjunctive B) implicative C) negative D) categorical 

Last Answer : D) categorical 

If one premise is particular the conclusion must be_________. A) Universal B) Negative C) Affirmative D) Particular.

Description : If one premise is particular the conclusion must be_________. A) Universal B) Negative C) Affirmative D) Particular. 

Last Answer : D) Particular.  

If one premise is negative the conclusion must be________. A) Negative B) Positive C) Both negative and positive D) Neither negative nor positive.

Description : If one premise is negative the conclusion must be________. A) Negative B) Positive C) Both negative and positive D) Neither negative nor positive. 

Last Answer : A) Negative 

A ___________ is a mixed syllogism whose major premise is a disjunctive propositions and whose minor premise and conclusion are categorical propositions. A) Categorical syllogism B) Hypothetical syllogism C) Disjunctive syllogism D) Dilemma.

Description : A ___________ is a mixed syllogism whose major premise is a disjunctive propositions and whose minor premise and conclusion are categorical propositions. A) Categorical syllogism B) Hypothetical syllogism C) Disjunctive syllogism D) Dilemma. 

Last Answer : C) Disjunctive syllogism  

A syllogism in which the major premise is a hypothetical proposition, the minor and the conclusion are categorical propositions is a_______. A) Categorical syllogism B) Hypothetical syllogism C) Disjunctive syllogism D) Dilemma.

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Last Answer : B) Hypothetical syllogism 

A _________ is a form of syllogism determined by the qulity and quantity of the three constituent propositions. A) Mood B) Figure C) Middle termed D) Conclusion.

Description : A _________ is a form of syllogism determined by the qulity and quantity of the three constituent propositions. A) Mood B) Figure C) Middle termed D) Conclusion. 

Last Answer : A) Mood 

The fallacy occurs when the minor term which is not distributed in the minor premise but distributed in the conclusion is A) Ambiguous minor B) Undistributed middle C) Equivocation D) Illicit minor.

Description : The fallacy occurs when the minor term which is not distributed in the minor premise but distributed in the conclusion is A) Ambiguous minor B) Undistributed middle C) Equivocation D) Illicit minor. 

Last Answer : D) Illicit minor.