84 PART 1BASICS whether it i valid or invalid would be archeological evidence of
ID: 3501411 • Letter: 8
Question
84 PART 1BASICS whether it i valid or invalid would be archeological evidence of Exercise 3.5 valid or invalid and For each of the following arguments, d indicate the argument pattern. the argument patte 1. If the Pilgrims built that wall there But there is no such evidence. So the Pilgrims did not build that wall. did. 2. If the butler didn't kill the master, then the maid The butler didn't kill him. So the maid killed him. 3. Either John drove home or he stayed late. He didn't drive home Therefore, he stayed late 5 4. If the South Africans have nuclear weapons, the South African jungle will be radioactive. The South African jungle is radioactive. Therefore, the South Africans have nuclear weapons 5. If the New York Times comes out in favor of the liberal democrats, they 6. If CNN News omits important news stories, then it is irresponsible. 7. If ESP (extrasensory perception) were real, psychic predictions would be will win the election. But the newspaper will not come out in favor of the liberal democrats, so they will not win. transtorm the It is not irresponsible. ess than sixt other minds So CNN News does not omit important news stories. completely reliable. Psychic predictions are completely reliable. Therefore, ESP is real. Exercise 3.7 Use the counterexz 8. If Miley Cyrus keeps playing the role of the twisted tart on stage, she willuments in E ion using letters lose all her fans. Well, she has stopped playing that role, so she will not lose all her fans. 9. If ESP (extrasensory perception) were real, psychic predictions would be EXAMPLE Test Argument: completely reliable. ESP is real. Therefore, psychic predictions are completely reliable. will be Therefore, 10. If laws could stop crime, there would be no crime. But there is crime. Therefore, laws cannot stop crime. Donald 11. If I perceive what appears to be a red door, then there really is a red door there There really is a red door there. Therefore, I perceive what appears to be a red door.Explanation / Answer
1.The argument is valid and the pattern of argument is of denying the consequent type.
2.The argument is true. The argument pattern is of affirming the antecedent type.
3.The argument is valid one. The pattern of argument is of affirming the antecedent type.
4.The argument is INVALID.
Explanation -The argument is of the following type
If P, then Q
Q
P
INVALID
5.The argument is invalid
Explanation-The argument is of the following type
If P, then Q
Not P
Not Q
INVALID
6.The argument is valid argument. The pattern of the argument is of denying the consequent type.
7.The argument is invalid one.
Explanation-The argument is of the following type
If P, then Q
Q
P
INVALID
8.The argument is invalid one.
Explanation-The argument is of the following type
IfP, then Q
Not P
Not Q
INVALID
9.The question is repeat of Q. 7
10.The argument is valid argument. The pattern of the argument is of denying the antecedent type.
11.The argument is invalid one.
Explanation -The argument is of the following form
If P, then Q
Q
P
INVALID
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