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We test an argument by considering all the critical rows. If the conclusion is true in all critical rows, then the argument is valid. This is another way of saying the conclusion of a valid argument must be true in every case where all the premises are true. Look for rows where all premises are true. premise premise 2 conclusior t t + u F F F F F We see that the 1st and 3rd rows are critical rows. In the 1st row, the conclusion is true. However, in the 3rd row, a critical row, the conclusion is false. Thus this argument is

We test an argument by considering all the critical rows. If the conclusion is true in all critical rows, then the argument is valid. This is another way of saying the conclusion of a valid argument must be true in every case where all the premises are true. Look for rows where all premises are true. premise premise 2 conclusior t t + u F F F F F We see that the 1st and 3rd rows are critical rows. In the 1st row, the conclusion is true. However, in the 3rd row, a critical row, the conclusion is false. Thus this argument is

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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We test an argument by considering all the critical rows. If the conclusion is true in all critical rows, then the argument is valid. This is another way of saying the conclusion of a valid argument must be true in every case where all the premises are true. Look for rows where all premises are true. premise premise 2 conclusion t t → u t T T F F F T F T F F F We see that the 1st and 3rd rows are critical rows. In the 1st row, the conclusion is true. However, in the 3rd row, a critical row, the conclusion is false. Thus this argument is
Transcribed Image Text:We test an argument by considering all the critical rows. If the conclusion is true in all critical rows, then the argument is valid. This is another way of saying the conclusion of a valid argument must be true in every case where all the premises are true. Look for rows where all premises are true. premise premise 2 conclusion t t → u t T T F F F T F T F F F We see that the 1st and 3rd rows are critical rows. In the 1st row, the conclusion is true. However, in the 3rd row, a critical row, the conclusion is false. Thus this argument is
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