Essentials Of The Symbolic Logic Set 3
On This Page
This set of Essentials of the Symbolic Logic Multiple Choice Questions & Answers (MCQs) focuses on Essentials Of The Symbolic Logic Set 3
Q1 | The dot “ . ”symbol is……………………………………..
- a truth-functional operator
- a statement variable
- propositional function
- a truth-functional connective
Q2 | The curl “ ̴“ is ……………………………………………………..
- propositional function
- a statement variable
- a truth-functional connective
- a truth-functional operator
Q3 | Gopal is either intelligent or hard working’ is an example for …………………………
- bi-conditional
- implication
- inclusive or weak disjunction
- exclusive or strong disjunction
Q4 | ‘Today is Thursday or Saturday’ is an example for………………………………..
- implication
- exclusive disjunction
- inclusive disjunction
- bi conditional
Q5 | ’If you study well, then you will pass the examination’ is an example for ……………
- implication
- bi-conditional
- disjunction
- conjunction
Q6 | A conditional statement asserts that in any case in which it’s antecedent is true,it’s consequent is ……………………………
- not true
- true or false
- false
- true also
Q7 | For a conditional to be true the conjunction “ p. ̴q “ must be ……………….
- true or false
- true
- false
- undetermined.
Q8 | ……………………….. is regarded the common meaning that is part of the meaning ofall four different types of implication symbolized as “ If p , then q”
- ̴p . q
- ̴p . ̴q
- ̴( p . ̴q )
- p . ̴q
Q9 | No real connection between antecedent and consequent is suggested by …………
- decisional implication
- material implication
- causal implication
- definitional implication
Q10 | “it is not the case that the antecedent is true and the consequent is false” issymbolized as……………………………………….
- ̴( p . ̴q )
- p . ̴q
- ̴p . ̴q
- ̴p . q
Q11 | ‘ q if p ‘ is symbolized as……………………………….
- ‘q Ͻ p’
- ‘p ≡ q’
- ‘p v q’
- ’ p Ͻ q ‘
Q12 | ’ The conjunction of p with the disjunction of q with r’, is symbolized as …….
- ( p vq ) . r
- ( p . q ) v r
- p . ( q v r )
- p v ( q . r )
Q13 | ‘The disjunction whose first disjunct is the conjunction of p and q and whosesecond disjunct is r ‘ is symbolized as ………………………..
- p v ( q . r )
- ( p vq ) . r
- p . ( q v r )
- ( p . q ) v r
Q14 | The negaton of A V B is symbolized as ………………
- ̴a v ̴b
- ̴( a v b )
- ̴a v b
- a v ̴b
Q15 | ‘ A and B will not both be selected ’ is symbolized as ………………………..
- ̴( a . b )
- ̴a v b
- a v ̴b
- ̴a . ̴b
Q16 | Ramesh and Dinesh will both not be elected.
- a v ̴b
- ̴a . ̴b
- ̴( a . b )
- ̴a v b
Q17 | An argument can be proved invalid by constructing another argument of thesame form with …………………….
- false premises and false conclusion
- true premises and false conclusion
- true premises and true conclusion
- false premises and true conclusion
Q18 | …………………………… can be defined as an array of symbols containing statementvariables but no statements, such that when statements are substituted for statement variables- the same statement being substituted for the same statement variable throughout – the result is an argument
- specific statement form
- a statement form
- an argument form
- an argument
Q19 | Any argument that results from the substitution of statements for statementvariables in an argument form is called ………………………………
- invalid argument
- valid argument
- the specific form
- a “ substitution instance” of that argument form
Q20 | In case an argument is produced by substituting a different simple statement foreach different statement variable in an argument form, that argument form is called ……………………
- the “specific form” of that argument
- a “ substitution instance” of that argument form
- valid argument
- invalid argument
Q21 | If the specific form of a given argument has any substitution instance whosepremises are true and whose conclusion is false, then the given argument is.
- valid
- invalid
- valid or invalid
- sound
Q22 | Refutation by logical analogy is based on the fact that any argument whosespecific form is an invalid argument form is ………………………..
- sound
- a contradiction
- an invalid argument.
- a valid argument
Q23 | ………………………… is any sequence of symbols containing statement variables butno statements, such that when statements are substituted for the statement\ variables-the same statement being substituted for the same statement variable throughout- the result is a statement
- an argument form
- specific form of argument
- a statement form
- argument
Q24 | ’statement form from which the statement results by substituting a differentsimple statement for each different statement variable’ is called ……………………..
- the specific form of a given argument
- tautology
- contradiction
- the specific form of a given statement
Q25 | A statement form that has only true substitution instances is called ……………………
- a “ tautologous statement form “ or a “ tautology”
- a self-contradictory statement form or contradiction
- a contingent statement form
- specific statement form