Description : Of two sub-contraries if one is true the other is ________. A) true B) false C) doubtful D) neither true nor false
Last Answer : C) doubtful
Description : Of two sub-contraries if one is false the other is necessarily______ A) true B) false C) doubtful D) neither true nor false.
Last Answer : A) true
Description : If one of the contraries is false the truth-value of the other is A) true B) false C) doubtful D) neither true nor false.
Description : If the particular proposition of a subaltern relation is true, the truth-value of the universal proposition is A) true B) false C) both true and false D) doubtful.
Last Answer : D) doubtful.
Description : If the particular proposition of a subaltern relation is false its corresponding universal proposition will be_______. A) true B) false C) both true and false D) doubtful.
Last Answer : B) false
Description : Between subalterns if the universal is true the particular is A) true B) false C) doubtful D) both true and false.
Description : Contrary propositions cannot both be ________. A) true B) false C) true and false D) doubtful
Description : If one of the contraries is true the truth-value of the other is A) true B) false C) neither true nor false D) both true and false.
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
Description : Particular negative proposition distributes __________. A) Subject B) Predicate C) Both Subject and Predicate D) Neither Subject nor Predicate.
Last Answer : B) Predicate
Description : Particular affirmative proposition distributes _________. A) Subject B) Predicate C) Both Subject and Predicate D) Neither Subject nor Predicate.
Last Answer : D) Neither Subject nor Predicate.
Description : Universal negative proposition distributes___________. A) Subject B) Predicate C) Both Subject and Predicate D) Neither Subject nor Predicate.
Last Answer : C) Both Subject and Predicate
Description : Universal affirmative proposition distributes _________. A) Subject B) Predicate C) Both subject and Predicate D) Neither Subject nor Predicate.
Last Answer : A) Subject
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
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
Description : 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.
Last Answer : B) Invalid
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
Description : A ---------- is either true or false. A) Question B) Command C) Proposition D) Exclamation
Last Answer : C) Proposition
Description : A constructive hypothetical syllogism is also known as _______. A) Modus Tollens B) Modus ponens C) Constructive dilemma D) Addition.
Last Answer : B) Modus ponens
Description : A syllogism consists of _______ terms. A) five B) two C) three D) four.
Last Answer : C) three
Description : Universal or Particular is the classification of the propositions on the basis of _______. A) Quantity B) Quality C) Validity D) Truth.
Last Answer : A) Quantity
Description : The proposition “if you work hard you will succeed “ – is an example for _______ proposition. A) Categorical B) Conditional C) Negative D) Emotive
Last Answer : B) Conditional
Description : In a categorical proposition the predicate is either affirmed or denied _______ of the subject A) Unconditionally B) Conditionally C) Emotionally D) Fallaciously
Last Answer : A) Unconditionally
Description : Connotation is the same as _______. A) Intension B) Extension C) Value D) Meaning
Last Answer : A) Intension
Description : The function of suggesting qualities possessed by the objects is known as _______. A) Evaluating B) Denoting C) Connoting D) Meaning
Last Answer : C) Connoting
Description : Denotation is the same as _______. A) Extension B) Intension C) Value D) Meaning
Last Answer : A) Extension
Description : The sum total of the objects to which the term can be applied is its _______. A) Connotation B) Denotation C) Meaning D) Function
Last Answer : Denotation
Description : Both premises and conclusion of an argument are _______. A) Commands B) Propositions C) Exclamations D) Questions.
Last Answer : B) Propositions
Description : That proposition in which the quantity of the subject is not stated clearly but left vague is called______________. A) Dilemma B) Fallacy C) Indefinite D) False.
Last Answer : C) Indefinite
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
Description : If one premise is particular the conclusion must be_________. A) Universal B) Negative C) Affirmative D) Particular.
Last Answer : D) Particular.
Description : A valid deductive argument with true premises is called a ------ argument. A) sound B) unsound C) fallacious D) dilemma.
Last Answer : A) sound
Description : 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.
Last Answer : C) Inference
Description : If the proposition Vegetarians are not meat eaters is false, then which of the following inferences is correct ? Choose from the codes given below : 1. Some vegetarians are meat eaters is true. 2. All vegetarians are meat eaters is ... , 2 and 3 (B) 2, 3 and 4 (C) 1, 3 and 4 (D) 1, 2 and 4
Last Answer : (A) 1, 2 and 3
Description : Assertion (A): The coin when flipped next time will come up tails. Reason (R): Because the coin was flipped five times in a row, and each time it came up heads. Choose the correct answer from below: (A) Both (A ... A). (D) (A) is doubtful, (R) is false, and (R) is the correct explanation of (A).
Last Answer : (C) (A) is doubtful, (R) is true, and (R) is not the correct explanation of (A).
Description : A dilemma is complex when the conclusion is __________ proposition. A) implicative B) categorical C) disjunctive D) negative
Last Answer : C) disjunctive
Description : A dilemma is simple when the conclusion is__________ proposition. A) disjunctive B) implicative C) negative D) categorical
Last Answer : D) categorical
Description : A dilemma is ________ when disjunctive minor premise denies the consequents of the major premise A) constructive B) destructive C) subjective D) objective
Last Answer : B) destructive
Description : A dilemma is ________ when disjunctive minor premise affirms the antecedents of the major premise A) constructive B) destructive C) objective D) subjective.
Last Answer : A) constructive
Description : From two ________ premises no conclusion is possible. A) universal B) affirmative C) negative D) categorical
Last Answer : C) negative
Description : Two_______ premises yield no valid conclusion. A) universal B) particular C) affirmative D) categorical.
Last Answer : B) particular
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
Description : “All thugs are murderers Therefore all Indians are murderers”. The fallacy committed by above argument is A) Illicit minor B) Illicit major C) Ambiguous major D) Undistributed middle.
Last Answer : A) Illicit minor
Description : “All men are selfish No apes are men Therefore no apes are selfish”. The above argument commits the fallacy of A) Undistributed middle B) Illicit major C) Illicit minor D) Ambiguous minor
Last Answer : B) Illicit major
Description : “All men are mortal Socrates is a man Therefore Socrates is mortal”. _________ is the middle term of the above argument. A) Mortal B) Socrates C) Men D) Is
Last Answer : C) Men
Description : “All men are mortal All kings are men Therefore all kings are mortal”. __________ is the minor term of the above argument. A) Mortal B) Kings C) Men D) Are
Last Answer : B) Kings
Description : “All animals are mortal All men are animals Therefore all men are mortal.” _________ is the major term of the above syllogism. A) Mortal B) Men C) Animals D) Are.
Last Answer : A) Mortal
Description : “He is either a saint or a sinner He is not a saint Therefore he is a sinner”. The above argument commits the fallacy of________. A) Undistributed middle B) Improper disjunction C) Four terms D) Illicit minor.
Last Answer : B) Improper disjunction
Description : A Dilemma is a ________ syllogism. A) mixed B) categorical C) hypothetical D) disjunctive.
Last Answer : A) mixed
Description : The violation of the rules of a disjunctive syllogism commits the fallacy of ________. A) Illicit major B) Illicit minor C) Improper disjunction D) Ambiguous major
Last Answer : C) Improper disjunction