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4. If it is a dog, then it has fleas. It has fleas. Therefore, it is a dog. 5. If we serve salmon, then Vicky will join us for lunch. If Vicky will join us for lunch, then Marilyn will not join us for lunch. Therefore, if we serve salmon, Marilyn will not join us for lunch. 6. If I go to college, then I will not be able to work for my Dad. I did not go to college. Therefore, I went to work for my Dad.

4. If it is a dog, then it has fleas. It has fleas. Therefore, it is a dog. 5. If we serve salmon, then Vicky will join us for lunch. If Vicky will join us for lunch, then Marilyn will not join us for lunch. Therefore, if we serve salmon, Marilyn will not join us for lunch. 6. If I go to college, then I will not be able to work for my Dad. I did not go to college. Therefore, I went to work for my Dad.

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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Please answer items 4 to 6 ONLY. asap please I really need help
LEARNING ACTIVITY 4.3 In exercises 1-6, determine whether the argument is valid or invalid by comparing its symbolic form into standard forms. For each valid argument, state the name of its standard form. 1. If you tal eligible All 152 2. If I had Togic problem You were not *herefore, he attended Stanford wave not 4. If it is a dog, then it has fleas. It has fleas. Therefore, it is a dog. 5. If we serve salmon, then Vicky will join us for lunch. If Vicky will join us for lunch, then Marilyn will not join us for lunch. Therefore, if we serve salmon, Marilyn will not join us for lunch. 6. If I go to college, then I will not be able to work for my Dad. I did not go to college. Therefore, I went to work for my Dad.
Transcribed Image Text:LEARNING ACTIVITY 4.3 In exercises 1-6, determine whether the argument is valid or invalid by comparing its symbolic form into standard forms. For each valid argument, state the name of its standard form. 1. If you tal eligible All 152 2. If I had Togic problem You were not *herefore, he attended Stanford wave not 4. If it is a dog, then it has fleas. It has fleas. Therefore, it is a dog. 5. If we serve salmon, then Vicky will join us for lunch. If Vicky will join us for lunch, then Marilyn will not join us for lunch. Therefore, if we serve salmon, Marilyn will not join us for lunch. 6. If I go to college, then I will not be able to work for my Dad. I did not go to college. Therefore, I went to work for my Dad.
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