Symbolic Logic Set 15
On This Page
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