Symbolic Logic Set 4
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This set of Symbolic Logic Multiple Choice Questions & Answers (MCQs) focuses on Symbolic Logic Set 4
Q1 | In implication if p is true and q is true, p כ q is -------
- true
- false
- cannot be determined
- none of these
Q2 | In Disjunction if p is true and q is true, p v q is -------
- false
- true
- cannot be determined
- none of these
Q3 | ‘Ramesh is honest and Dinesh is intelligent’ is a ------- proposition.
- general
- simple
- compound
- none of these
Q4 | Which word is used to form the disjunction of two statements?
- either or
- and
- if -- then
- none of these
Q5 | What is the truth value of a conjunction, if both of its conjuncts are true ?
- false
- true
- cannot be determined
- none of these
Q6 | p. q. . p This rule of inference is known as -------
- modus ponens
- modus tollens
- simplification
- none of these
Q7 | The negation of a true statement is ---------
- false
- true
- cannot be determined
- none of these
Q8 | A valid argument with all true premises is termed as ------- argument
- cogent
- sound
- cannot be determined
- none of these
Q9 | The falsehood of conclusion in an argument does not guarantee the ------ ofan argument
- validity
- invalidity
- both a and b
- none of these
Q10 | ‘Roses are red and Violets are blue’ is a ----------- statement
- negation
- conjunctive
- implication
- material
Q11 | A conjunction is true if both of its conjuncts are ----------
- false
- true
- cannot be determined
- none of these
Q12 | ‘Shiv is tall and Ramu is short’ is a ------ statement
- simple
- compound
- general
- none of these
Q13 | ‘Roses are red and Violets are not blue’ is symbolized as ------
- r.v
- r . ~ v
- r v v
- none of these
Q14 | If B is true, Y is false , then the truth value of the compound statement~ ( B. ~ Y) is -----
- false
- true
- cannot be determined
- none of these
Q15 | ‘Either P or Q will be selected’ is symbolized as
- p.q
- p v q
- p כ q
- none of these
Q16 | If A is true, X is false, then the truth value of the compound statement~ ( A v X ) is -----
- false
- true
- cannot be determined
- none of these
Q17 | Bi-conditional proposition is a ----- proposition
- implication
- disjunction
- simple
- compound
Q18 | _________ symbol is used to connect statements conjunctively.
- horseshoe
- wedge
- tilde
- none of these
Q19 | Two statements are logically equivalent when their material equivalence is a-----
- contradiction
- contingent
- conjunction
- tautology
Q20 | ‘I will go to the cinema if and only if my friend comes with me’ is a ---proposition
- implication
- disjunction
- negation
- biconditional
Q21 | The statement form with only false substitution instances is called _________.
- contradiction
- contingent
- conjunction
- tautology
Q22 | The statement form with only true substitution instances is called _________.
- contradiction
- contingent
- conjunction
- tautology
Q23 | ‘p v q’ is false if _________.
- only p is false
- both p and q are true
- both p and q are false
- none of
Q24 | ‘Arjun is honest but Ganesh is sincere’ is symbolized as----
- a v g
- a . g
- a כ~ g
- none of these
Q25 | ‘If antecedent, then consequent’ is a general form of .______.
- implication
- disjunction
- negation
- argument