Applications Of Logical Reasoning Set 5

Bachelor of Arts in Philosophy (BA Philosophy)

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This set of Applications of Logical Reasoning Multiple Choice Questions & Answers (MCQs) focuses on Applications Of Logical Reasoning Set 5

Q1 | The immediate inference in which subject and predicate are interchanged isknown as:
  • conversion
  • obversion
  • contraposition
  • none of these
Answer: conversion
Q2 | The immediate inference in which the quality of a proposition is changedwithout change in the meaning is known as:
  • conversion
  • obversion
  • contraposition
  • none of these
Answer: obversion
Q3 | Two propositions having the same subject and predicate, differ in qualityonly, the opposed propositions are called:
  • contraries
  • sub-contraries
  • sub-alterns
  • contradictories
Answer: contraries
Q4 | Two propositions having the same subject and predicate, differ in quantityonly, the opposed propositions are called :
  • contraries
  • sub-contraries
  • sub-alterns
  • contradictories
Answer: sub-contraries
Q5 | Immediate inference in which from a given proposition another propositionhaving the contradictory of the given predicate as it’s subject is inferred is called:
  • conversion
  • obversion
  • contraposition
  • none of these
Answer: contraposition
Q6 | The partial contrapositive of ‘All dealers are producers’:
  • no non-producers are dealers
  • no non-producers are non-dealers
  • all dealers are non-producers
  • all non-dealers are producers
Answer: no non-producers are dealers
Q7 | The full contrapositive of ‘All dealers are producers’:
  • no non-producers are dealers
  • no non-producers are non-dealers
  • all dealers are non-producers
  • all non-dealers are producers
Answer: no non-producers are non-dealers
Q8 | The partial contrapositive of ‘No dealers are producers’:
  • some non-producers are dealers
  • some non-producers are non- dealers
  • all dealers are non-producers
  • all non-dealers are producers
Answer: some non-producers are dealers
Q9 | The partial contrapositive of ‘Some dealers are not producers’:
  • some non-producers are dealers
  • some non-producers are non- dealers
  • all dealers are non-producers
  • all non-dealers are producers
Answer: some non-producers are dealers
Q10 | The full contrapositive of ‘Some dealers are not producers’:
  • some non-producers are dealers
  • some non-producers are not non- dealers
  • all dealers are non-producers
  • all non-dealers are producers
Answer: some non-producers are not non- dealers
Q11 | Name the fallacy: Ram is my friend Mohan is Ram’s friend Therefore, Mohan is my friend
  • fallacy of four terms
  • ambiguous major
  • ambiguous minor
  • ambiguous middle
Answer: fallacy of four terms
Q12 | Name the fallacy:No courageous creature flies The eagle is a courageous creature Therefore, the eagle does not fly
  • fallacy of four terms
  • ambiguous major
  • ambiguous minor
  • ambiguous middle
Answer: ambiguous major
Q13 | Name the fallacy:No man is made of paper All pages are men Therefore,No pages are made of paper
  • fallacy of four terms
  • ambiguous major
  • ambiguous minor
  • ambiguous middle
Answer: ambiguous minor
Q14 | Name the fallacy: All men are mortal All dogs are mortal Therefore, All men are dogs
  • undistribute middle
  • ambiguous major
  • ambiguous minor
  • ambiguous middle
Answer: undistribute middle
Q15 | Name the fallacy:Some intelligent persons are wise No wise persons are king Therefore, Some kings are not intelligent
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: illicit major
Q16 | Identify the fallacy:All men are mortal All men are intelligent Therefore, All intelligent persons are mortal
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: illicit minor
Q17 | No Indians are ungratefulAll Indians are religious Therefore ,No religious person is ungrateful
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: illicit minor
Q18 | Identify the fallacy:All girls are shy This boy is shy Therefore , This boy is girl
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: undistributed middle
Q19 | Identify the fallacy:Al college teachers are graduates He is not a college teacher Therefore , He is not a graduate
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: illicit major
Q20 | Identify the fallacy:All cows are quadrupeds No dogs are cows Therefore , No dogs are quadrupeds
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: illicit major
Q21 | Identify the fallacy:All fishes live in water All frogs live in water Therefore ,All frogs are fishes
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: undistributed middle
Q22 | Identify the fallacy:All cold is dispelled by heat His ailment is cold Therefore , His ailment can be dispelled by heat
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: ambiguous middle
Q23 | Identify the fallacy:Light is the opposite of darkness My purse is light Therefore ,my purse is the opposite of darkness
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: ambiguous middle
Q24 | . Identify the fallacy:Red is a colour Blood is red Therefore ,blood is a colour
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: ambiguous middle
Q25 | Identify the fallacy:All planets are round A wheel is round Therefore , a wheel is a planet
  • undistributed middle
  • illicit major
  • illicit minor
  • ambiguous middle
Answer: undistributed middle
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