The sentence '2 is an even integer', is
Statement
Command
Question
Paradox
The statement 'The sum of interior angles of a triangle is 180 degrees', has the truth value
T
F
T and F both
None of these
Statement 1 ~ ( p ↔ ~ q) is equivalent to p ↔ q .
Statement II ~ ( p ↔ ~ q) is a tautology.
Statement 1 is true, Statement II is true; Statement II is a correct explanation for Statement 1.
Statement 1 is true, Statement II is true; Statement II is not a correct explanation for Statement 1.
Statement 1 is true, Statement II is false.
Statement 1 is false , Statement II is true.
Which of the following is not a statement in logic ?
1
3
2
4
Let p ans q be two statements, then ( p q ) ~ p is
tautology
contradiction
Both (a) and (b)
The statement ~ ( p → q ) is equivalent to
p Λ ( ~ q)
~ p Λ q
p Λ q
~ p Λ ~ q
The converse of the contra positive of the conditional p → ~ q is
p → q
~ p → ~ q
~ q → p
~ p → q
Negation of "Paris is in France and London is in England " is
Paris is in England and London is in France
Paris is not in France or London is not in England
Paris is in England or London is in France
None of the above
Dual of ( x' y' ) ' = x Λ y is
( x' y' )' = x y
( x' Λ y ' ) ' = x y
( x' Λ y' )' = x Λ y
If p , q and r are simple propositions with truth values T, F, T, then the truth value of ( ~ p q) Λ ~ q → p is
true
false
true, if r is false
