Which of the following expressions is written in normal form? (P AND Q) OR ((P OR R') AND (Q OR S')) (P AND Q) OR NOT(P AND Q AND R) (P AND Q') OR (P AND Q AND R') (P IMPLIES R) OR (Q IMPLIES R
Which of the following expressions is written in normal form? (P AND Q) OR ((P OR R') AND (Q OR S')) (P AND Q) OR NOT(P AND Q AND R) (P AND Q') OR (P AND Q AND R') (P IMPLIES R) OR (Q IMPLIES R
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 25E
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Question
Which of the following expressions is written in normal form?
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(P AND Q) OR ((P OR R') AND (Q OR S')) |
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(P AND Q) OR NOT(P AND Q AND R) |
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(P AND Q') OR (P AND Q AND R') |
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(P IMPLIES R) OR (Q IMPLIES R) |
Expert Solution
Step 1
In normal form no conplement will use in place of complememt we write with NOT
So option first is wrong and option 3rd is also wrong.
Now
(P IMPLIES R) OR (Q IMPLIES R)
It is not possible here we have to write
(P IMPLIES R) OR (R IMPLIES P) so become right.
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