Symbolic Logic Set 12 MCQs

This set of Symbolic Logic Multiple Choice Questions & Answers (MCQs) focuses on Symbolic Logic Set 12

Q1 | As per modern interpretation of traditional subject-predicate propositions,A and O propositions are …………………..

contraries

sub-contraries

sub alterns

contradictories

Q2 | As per modern interpretation of traditional subject-predicate propositions,E and I propositions are ………………………………

Contradictories

sub alterns

sub-contraries

contraries

Q3 | The universal quantification of a propositional function is true if and only if ……...

at least one substitution instance is true

all of it’s substitution instances are false

all of it’s substitution instances are true

it has both true and false substitution instances

Q4 | The relation between the general propositions (x) Mx and (∃x ) Mx is ……………

contrary

contradiction

sub contrary

sub altern

Q5 | The relation between the general propositions x) Mx and (∃x ) Mx is ………..……

contradiction

sub contrary

sub altern

contrary

Q6 | The relation between the general propositions x) Mx and x) Mx is ……..………

sub contrary

contradiction

sub altern

contrary

Q7 | The relation between the general propositions (∃x ) Mx and (∃x ) Mx is …………

contrary

sub altern

sub contrary

contradiction

Q8 | If x) Mx is true, then x) Mx is …………………

true

false

true or false

valid

Q9 | If (x) Mx is true, then (∃x ) Mx is …………………..

false

true

valid

true or false

Q10 | If (x) Mx is true, then (∃x ) Mx is …………………………..

true or false

true

false

valid

Q11 | If x) Mx is false, then x) Mx is …………………

valid

true

true or false

false

Q12 | If (x) Mx is false, then (∃x ) Mx is …………………..

true or false

false

valid

true

Q13 | If (x) Mx is false, then (∃x ) Mx is …………………………..

true

valid

false

true or false