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JEEMAIN and NEET
>>
Mathematics
>>
Class11
>>
Mathematical Reasoning
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Q)
The proposition
(
p
⇒
∼
p
)
∧
(
∼
p
⇒
p
)
is a
(
A
)
t
a
u
t
o
l
o
g
y
a
n
d
c
o
n
t
r
a
d
i
c
t
i
o
n
(
B
)
n
e
i
t
h
e
r
t
a
u
t
o
l
o
g
y
n
o
r
c
o
n
t
r
a
d
i
c
t
i
o
n
(
C
)
c
o
n
t
r
a
d
i
c
t
i
o
n
(
D
)
t
a
u
t
o
l
o
g
y
Share
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