On This Page

This set of Essential of Formal Logic Multiple Choice Questions & Answers (MCQs) focuses on Essential Of Formal Logic Set 4

Q1 | Particular negative proposition distributes __________.
  • subject
  • predicate
  • both subject and predicate
  • neither subject nor predicate.
Q2 | The process of passing directly from a single proposition to a conclusion is
  • immediate inference
  • mediate inference
  • definition
  • classification.
Q3 | _____________ asserts the agreement or disagreement of a subject and predicate after having compared each with middle term.
  • immediate inference
  • mediate inference
  • definition
  • classification.
Q4 | Opposition is a ___________ inference.
  • indirect
  • absurd
  • mediate
  • immediate.
Q5 | Eduction is a ___________ inference.
  • indirect
  • absurd
  • mediate
  • immediate.
Q6 | __________ is the relation between two universal propositions having the same subject but differing in quality only.
  • contrary opposition
  • contradictory opposition
  • subaltern
  • sub- contrary.
Q7 | ___________ is the relation between two propositions having the same subject but differing in both quality and quantity.
  • contrary opposition
  • contradictory opposition
  • subalternation
  • sub- contrary.
Q8 | The relation between two particular propositions having the same subject and predicate but differing in quality is_________opposition.
  • contrary
  • contradictory
  • subalternation
  • sub-contrary.
Q9 | ______ opposition is the relation between two propositions having the same subject and predicate but differing in quantity only.
  • contrary
  • contradictory
  • subaltern
  • sub-contrary.
Q10 | If one of the contraries is true the truth-value of the other is
  • true
  • false
  • neither true nor false
  • both true and false.
Q11 | If one of the contraries is false the truth-value of the other is
  • true
  • false
  • doubtful
  • neither true nor false.
Q12 | If one of the contradictories is true the other must be _______.
  • true
  • false
  • doubtful
  • neither true nor false.
Q13 | Contrary propositions cannot both be ________.
  • true
  • false
  • true and false
  • doubtful.
Q14 | Of two sub-contraries if one is false the other is necessarily______
  • true
  • false
  • doubtful
  • neither true nor false.
Q15 | Of two sub-contraries if one is true the other is ________.
  • true
  • false
  • doubtful
  • neither true nor false.
Q16 | Between subalterns if the universal is true the particular is
  • true
  • false
  • doubtfil
  • both true and false.
Q17 | If the particular proposition of a subaltern relation is false its corresponding universal proposition will be_______.
  • true
  • false
  • both true and false
  • doubtful.
Q18 | If the particular proposition of a subaltern relation is true, the truth-value of the universal proposition is
  • true
  • false
  • both true and false
  • doubtful.
Q19 | The proposition: “Socrates is wise”, is an example for ___________ proposition.
  • negative
  • singular
  • emotive
  • invalid.
Q20 | The quantity of the proposition is determined by the extension of the ______.
  • subject
  • predicate
  • both subject and predicate
  • copula.
Q21 | In a conditional proposition the part which expresses the condition by ‘if’ or its equvalent is
  • antecedent
  • consequent
  • opposite
  • meaning.
Q22 | ________ is a unit of reasoning in logic.
  • term
  • copula
  • proposition
  • subject.
Q23 | Euler’s circles are diagrams representing ________ of the terms.
  • distribution
  • quality
  • quantity
  • meaning.
Q24 | A syllogism is a form of ___________ inference.
  • mediate
  • immediate
  • intuitive
  • inductive.
Q25 | A syllogism is form of mediate _________ inference.
  • deductive
  • inductive
  • intuitive
  • fallacious.