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Construct a truth table for each of these compound propositions.

a) (pq)r

b) (pq)r

c) (pq)r

d)(pq)r

e) (pq)¬r

f)(pr)¬r


Short Answer

Expert verified

a)

pqr
pq
pqr
TTTTT
TTFTT
TFTTT
TFFTT
FTTTT
FTFTT
FFTFT
FFFFF

b)

pqrpq
prr
TTTTT
TTFTF
TFTTT
TFFTF
FTTTT
FTFTF
FFTFF
FFFFF

c)

pqrpq
pqr
TTTTT
TTFTT
TFTFT
TFFFF
FTTFT
FTFFF
FFTFT
FFFFF

d)

pqrpq
pqr
TTTTT
TTFTF
TFTFF
TFFFF
FTTFF
FTFFF
FFTFF
FFFFF

e)

pqrpq
pq¬r
TTTTF
TTFTT
TFTTF
TFFTT
FTTTF
FTFTT
FFTFF
FFFFF

f)

pqrpq
pq¬r
TTTTT
TTFTT
TFTFF
TFFFT
FTTFF
FTFFT
FFTFF
FFFFT

Step by step solution

01

Definition of truth table

A truth table is a mathematical table which is used in logic.

02

Truth table for a)

The truth table for given statement is as follows,

pqrpq
(pq)r
TTTTT
TTFTT
TFTTT
TFFTT
FTTTT
FTFTT
FFTFT
FFFFF
03

Truth table for b)

The truth table for given statement is as follows,

pqrpq
pqr
TTTTT
TTFTF
TFTTT
TFFTF
FTTTT
FTFTF
FFTFF
FFFFF
04

Truth table for c)

The truth table for given statement is as follows,

pqrpq
pqr
TTTTT
TTFTF
TFTTT
TFFTF
FTTTT
FTFTF
FFTFF
FFFFF
05

Truth table for d)

The truth table for given statement is as follows,

pqrpq
(pq)r
TTTTT
TTFTF
TFTFF
TFFFF
FTTFF
FTFFF
FFTFF
FFFFF
06

Truth table for e)

The truth table for given statement is as follows,

pqrpq
(pq)¬r
TTTTF
TTFTT
TFTTF
TFFTT
FTTTF
FTFTT
FFTFF
FFFFF
07

Truth table for f)

The truth table for given statement is as follows,

pqrpq
(pq)¬r
TTTTT
TTFTT
TFTFF
TFFFT
FTTFF
FTFFT
FFTFF
FFFFT

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Most popular questions from this chapter

Let p and q be the propositions “The election is decided” and “The votes have been counted,” respectively. Express each of these compound propositions as an English sentence.

a)¬p

b)p∨q

c)¬p∧q

d)q→p

e)¬q→¬p

f )¬p→¬q

g) p↔q

h) ¬q∨(¬p∧q)

Write each of these propositions in the form “p if and only if q” in English.

a) If it is hot outside you buy an ice cream cone, and if you buy an ice cream cone it is hot outside.
b) For you to win the contest it is necessary and sufficient that you have the only winning ticket.
c) You get promoted only if you have connections, and you have connections only if you get promoted.
d) If you watch television your mind will decay, and conversely.

e) The trains run late on exactly those days when I take it.

When does s*=s, where s is a compound proposition

When planning a party you want to know whom to invite. Among the people you would like to invite are three touchy friends.You know that if Jasmine attends, she will become unhappy if Samir is there, Samir will attend only if Kanti will be there, and Kanti will not attend unless Jasmine also does.Which combinations of these three friends can you invite so as not to make someone unhappy? Exercises relate to inhabitants of the island of knights and knaves created by Smullyan, where knights always tell the truth and knaves always lie. You encounter two people, and . Determine, if possible, what and are if they address you in the ways described. If you cannot determine what these two people are, can you draw any conclusions?

Show that (s*)*=swhen is a compound proposition

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