Evaluating Logical Expressions (Jee Mains) | ExamDuo
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Tautologies and Implications
Medium
Evaluating Logical Expressions
Let
F
1
(
A
,
B
,
C
)
=
(
A
∧
∼
B
)
∨
[
∼
C
∧
(
A
∨
B
)
]
∨
∼
A
and
F
2
(
A
,
B
)
=
(
A
∨
B
)
∨
(
B
→
∼
A
)
be two logical expressions. Then,
Ask about this question
SELECT ONE OPTION
A
F
1
and
F
2
both are tautologies
B
F
1
is a tautology but
F
2
is not a tautology
C
F
1
is not tautology but
F
2
is a tautology
D
Both
F
1
and
F
2
are not tautologies
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