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This set of Symbolic Logic Multiple Choice Questions & Answers (MCQs) focuses on Symbolic Logic Set 15

Q1 | Proposition is particular if the subject refers to only _______of the class
  • part
  • whole
  • wide
  • full
Q2 | A proposition ___________term, if it refers to all members of the class designated bythe term
  • selects
  • distributes
  • exchange
  • negation
Q3 | An ________ proposition is said to distribute both subject and predicate terms
  • E
  • I
  • O
  • A
Q4 | A universal or particular affirmative proposition, do not distribute their_________term.
  • predicate
  • Negation
  • subject
  • disjunction
Q5 | A valid standard form categorical syllogism must contain exactly __________terms, each of which is used in the same sense throughout the argument.
  • Two
  • Three
  • Four
  • Five
Q6 | The___________ of the class of all chairs is the class of all things that are not chairs.
  • Supplement
  • conjunction
  • sum
  • complement
Q7 | Which of the following is the obverse of the proposition of the A proposition’ All S is P ‘
  • All S is Non P
  • No S is non P
  • Some S is non P
  • some S is P
Q8 | A statement form that has only false substitution instance is said to be
  • Tautology
  • Contradiction
  • Opposition
  • Contingent
Q9 | The statement form ~(p.q) is logically equivalent to
  • ~p v ~q
  • ~p.q
  • p.~q
  • ~P.~q
Q10 | The statement form p ↄ q is logically equivalent to
  • ~p ↄ ~q
  • ~q ↄ ~p
  • p v q
  • q ↄ p
Q11 | [(p . q) ↄ r] is logically equivalent to which of the following
  • p ↄ (q ↄ r)
  • (p.q) v r
  • (p ↄ q) v r
  • p ↄ(qvr)
Q12 | The compound proposition in which the word ‘and’ is used to connect simple statements
  • Disjunction
  • implication
  • conjunction
  • negation
Q13 | In the conditional , the component statement that follows ‘then’ is called
  • Antecedent
  • consequent
  • disjunct
  • complement
Q14 | The weak implication symbolized by Ɔ is called a
  • Disjunction
  • Material implication
  • Conjunction
  • Negation
Q15 | Universal quantifier is symbolized as
  • x
  • (x)
  • Ǝx
  • (Ǝx)
Q16 | There is atleast one x such that x is mortal can be symbolized as
  • (x) Mx
  • (Ǝx)Mx
  • (x)
  • Ǝx
Q17 | _____________ is the process of obtaining a proposition from a propositional function by substituting a constant for the variable.
  • Instantiation
  • Quantification
  • Deduction
  • Implication
Q18 | An error in reasoning is called _________
  • Affirmation
  • Quantification
  • Fallacy
  • Association
Q19 | Obversion is a valid __________inference, when applied to any standard form categorical proposition.
  • Mediate
  • Immediate
  • Minor
  • Major
Q20 | The premise of the immediate inference by obversion is referred to as
  • Obverse
  • Converse
  • Opposition
  • Obvertend
Q21 | A deductive argument in which conclusion is inferred from two premises is called
  • Syllogism
  • Representation
  • Analogy
  • Opposition
Q22 | The term that occurs as the predicate of the conclusion is
  • minor term
  • middle term
  • major term
  • complement
Q23 | The form of a syllogism may be completely described by stating its mood and________
  • Diagram
  • Figure
  • Structure
  • Complement
Q24 | The term that occurs as the subject of the conclusion is called
  • Major term
  • Minor term
  • Middle term
  • Complement
Q25 | In Symbolic logic parentheses, braces , brackets are used as __________ marks
  • Error
  • Disjunction
  • Punctuation
  • Figure