If is false, then the truth values of p, q and r are, respectively :
F,T,F
T,F,T
T,T,T
F,F,F
As we learned
Truth Table of "if-then" -
-
for to be 0
pqr must be (TFT) or (TFF)
Option 1)
F,T,F
Option 2)
T,F,T
Option 3)
T,T,T
Option 4)
F,F,F
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