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Senin, 17 Oktober 2011

Tugas Keempat

1.      Set up the truth tables of the following iterated compositions:

a.       ( X Y ) V ( X Z )
  
X
Y
Z
X Y
X Z
( X Y ) V ( X Z)
B
B
B
B
B
B
B
B
S
B
S
B
B
S
B
S
B
B
B
S
S
S
S
S
S
B
B
B
B
B
S
B
S
B
B
B
S
S
B
B
B
B
S
S
S
B
B
B

b.      (¬ ( X Y ) ) Z

X
Y
Z
X Y
¬ ( X Y )
(¬ ( X Y ) ) Z

B
B
B
B
S
B
B
B
S
B
S
B
B
S
B
S
B
S
B
S
S
S
B
S
S
B
B
S
B
B
S
B
S
S
B
B
S
S
B
S
B
S
S
S
S
S
B
S

c.       ( X Y ) ( Z X )

X
Y
Z
X Y
Z X
( X Y ) ( Z X )

B
B
B
B
B
B
B
B
S
B
S
S
B
S
B
S
B
S
B
S
S
S
S
S
S
B
B
S
S
S
S
B
S
S
S
S
S
S
B
B
S
S
S
S
S
B
S
S
.

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