This chapter is currently out of syllabus
1
JEE Main 2022 (Online) 25th June Morning Shift
+4
-1
Out of Syllabus

Consider the following two propositions:

$$P1: \sim (p \to \sim q)$$

$$P2:(p \wedge \sim q) \wedge (( \sim p) \vee q)$$

If the proposition $$p \to (( \sim p) \vee q)$$ is evaluated as FALSE, then :

A
P1 is TRUE and P2 is FALSE
B
P1 is FALSE and P2 is TRUE
C
Both P1 and P2 are FALSE
D
Both P1 and P2 are TRUE
2
JEE Main 2022 (Online) 24th June Evening Shift
+4
-1
Out of Syllabus

Consider the following statements:

A : Rishi is a judge.

B : Rishi is honest.

C : Rishi is not arrogant.

The negation of the statement "if Rishi is a judge and he is not arrogant, then he is honest" is

A
B $$\to$$ (A $$\vee$$ C)
B
($$\sim$$B) $$\wedge$$ (A $$\wedge$$ C)
C
B $$\to$$ (($$\sim$$A) $$\vee$$ ($$\sim$$C))
D
B $$\to$$ (A $$\wedge$$ C)
3
JEE Main 2022 (Online) 24th June Morning Shift
+4
-1
Out of Syllabus

The number of choices for $$\Delta \in \{ \wedge , \vee , \Rightarrow , \Leftrightarrow \}$$, such that

$$(p\Delta q) \Rightarrow ((p\Delta \sim q) \vee (( \sim p)\Delta q))$$ is a tautology, is :

A
1
B
2
C
3
D
4
4
JEE Main 2021 (Online) 1st September Evening Shift
+4
-1
Out of Syllabus
Which of the following is equivalent to the Boolean expression p $$\wedge$$ $$\sim$$ q ?
A
$$\sim$$ (q $$\to$$ p)
B
$$\sim$$ p $$\to$$ $$\sim$$ q
C
$$\sim$$ (p $$\to$$ $$\sim$$ q)
D
$$\sim$$ (p $$\to$$ q)
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