Make columns with the headings p,q,r,
and
and then list the possible combinations of truth values for p,q and r.
Using truth values of r find the truth values of
.
Using truth values of q and
find the truth values of
.
The computed truth table is
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| F | \T | \T | \F | \ \
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| F | \F | \T | \ \
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| F | \T | \F | \ \
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| F | \F | \F | \ \
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T | \F | \ \
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F | \T | \ \
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F | \T | \ \
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| F | \T | \T | \ \
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| F | \F | \T | \F | \ \
F \ | \
| F | \T | \F | \ \
T \ | \
T | \
| F | \F | \F | \T | \ \
F \ | \