Logical Reasoning
6.15
S
HORTCUT
M
ETHOD
F
OR
‘S
QUARE
OF
O
PPOSITION
’
THORUGH
T
RUTH
T
ABLE
Proposition
A
E
I
O
Level 1
T
F
T
F
Level 2
F
T
F
T
Level 3
D
F
T
D
Level 4
F
D
D
T
MCQs based on Truth Table are very popular. We may get
an idea on Tautology on page 6.16 as well. Thus, we are
providing a systematic diagramatic solution for this. The
difficult relationships among A, E, I and O become easy
with the main diagram. The T stands for Truth, F for False
and D for doubtful.
1.
In the first level, there is T F T F. Suppose, A is True,
then E is false, I is True and O is False.
2.
On the second level, ...
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