Homework 1b Logical Connectedness, Consistency, Truth, and Justification

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Baruch College, CUNY *

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1100

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Philosophy

Date

Apr 3, 2024

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docx

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 The logical connectedness of "All marathon runners eat pasta. Since Jennifer is a marathon runner, she eats pasta" is Selected Answer: stron g Answers: stron g weak faile d  Question 2 4 out of 4 points The logical connectedness of "Many birds chirp. So most birds must eat birdseed" is Selected Answer: faile d Answers: stron g weak faile d  Question 3 4 out of 4 points The logical connectedness of "A survey of 100 television viewers selected at random from all parts of the United States revealed that 32% of them regularly watched network news programs in the evening. Your brother is a

television viewer. From this we may infer that your brother regularly watches evening network news programs" is Selected Answer: weak Answers: stron g weak faile d  Question 4 4 out of 4 points The logical connectedness of "Menkin, the Subway Slasher responsible for the murders of 17 people last summer, is now in prison. All mass murderers write best-selling books after they're sent to prison. So Menkin will write a best-selling book" is Selected Answer: stron g Answers: stron g weak faile d  Question 5 4 out of 4 points The logical connectedness of "Since the space outside earth is vast, ancient aliens must have built the pyramids" is

Selected Answer: faile d Answers: stron g weak faile d  Question 6 4 out of 4 points The logical connectedness of "No airline has been lowering its fares over the past ten years. North American Air Link is an airline. Thus North American Air Link has not been lowering its fares over the past ten years" is Selected Answer: stron g Answers: stron g weak faile d  Question 7 0 out of 4 points The logical connectedness of "Some tropical fruits are bananas. Harry bought tropical fruit, so he must have bought bananas" is Selected Answer: stron

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g Answers: stron g weak faile d  Question 8 4 out of 4 points The logical connectedness of "All large cities have severe air pollution problems. Chicago is a large city. Hence, Chicago has air pollution problems" is Selected Answer: stron g Answers: stron g weak faile d  Question 9 4 out of 4 points The logical connectedness of "Retaining restrictions on immigration is necessary to maintain a prosperous country. After all, some very prosperous countries maintain restrictions on immigration" is Selected Answer: weak Answers: stron

g weak faile d  Question 10 4 out of 4 points The logical connectedness of "Fred is a college student. All college students get good educations, so it follows that he would get a good education" is Selected Answer: stron g Answers: stron g weak faile d  Question 11 4 out of 4 points Without changing the standard English meaning of words, the set "2 + 1 = 3. All giraffes have long necks" is Selected Answer: consistent Answers: inconsiste nt consistent

 Question 12 4 out of 4 points Without changing the standard English meaning of words, the set "No dog is a cat. But some cats are dogs" is Selected Answer: inconsiste nt Answers: inconsiste nt consistent  Question 13 4 out of 4 points Without changing the standard English meaning of words, the set "A meteorite reportedly crashed through the roof of a house. It bounced on the living room floor and landed in a chair" is Selected Answer: consistent Answers: inconsiste nt consistent  Question 14 4 out of 4 points Without changing the standard English meaning of words, the set "We are running into a dangerous level of potential climate change. However, the US is (at the same time) both increasing its average output of carbon dioxide and decreasing its average output of carbon dioxide" is Selected Answer: inconsiste nt

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Answers: inconsiste nt consistent  Question 15 4 out of 4 points Without changing the standard English meaning of words, the set "A deer is faster than a turtle. But a turtle is not slower than a deer" is Selected Answer: inconsiste nt Answers: inconsiste nt consistent  Question 16 4 out of 4 points Without changing the standard English meaning of words, the set "The moon is made of cheese. All lawyers are rich" is Selected Answer: consistent Answers: inconsiste nt consistent  Question 17 4 out of 4 points

Without changing the standard English meaning of words, the set "Some garbage men are US Presidents. Every dog is an astronaut" is Selected Answer: consistent Answers: inconsiste nt consistent  Question 18 4 out of 4 points Suppose that tomorrow, every person in the world came to believe that the planet Mars does not exist. The claim that "Mars exists" would be Selected Answer: True Answers: True Fals e  Question 19 4 out of 4 points Suppose that, by accident, no human had ever encountered a dragonfly. The claim that "dragon flies are capable of flight" would be Selected Answer: True Answers: True

Fals e  Question 20 4 out of 4 points If I believe that I can magically walk through a firm brick wall, my belief is Selected Answer: Fals e Answers: True Fals e  Question 21 0 out of 4 points Suppose Harry believes anything that his friend, Doris, tells him. When Doris tells him that ladybugs eat aphids, Harry believes it. Harry's belief about ladybugs is Selected Answer: Justified. Answers: Justified. Unjustifi ed  Question 22 4 out of 4 points Suppose Peter tells his friend Kevin that he saw a whale off the coast. Peter doesn't have a history of lying about these kinds of things, and is otherwise trustworthy. If Kevin believes that Peter saw a whale off the coast, Kevin's belief is

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Selected Answer: Justified. Answers: Justified. Unjustifi ed  Question 23 0 out of 4 points Sarah took a hallucinogenic drug on Tuesday, and due to its effects, came to believe that George Washington was her great-great- grandfather. Independently, a historian at a local university looked up Sarah's genealogy, she found that Sarah's great-grandfather was the son of George Washington. Sarah's belief about George Washington (that he was her great-great-grandfather) on Tuesday was Selected Answer: True and justified. Answers: True and justified. True and unjustified False and justified False and unjustified  Question 24 0 out of 4 points Anthony got up in the morning and believed he had put on his favorite shirt. Unbeknownst to him, however, his shirt had been destroyed in the wash, and his husband Henry had secretly replaced it with a new shirt that looked

exactly the same. Anthony's belief (that he had put on his favorite shirt) is Selected Answer: False and unjustified Answers: True and justified. True and unjustified False and justified False and unjustified  Question 25 4 out of 4 points Justin believes that bears are closely related to insects. He thinks this is the case because he had a deep, spiritual dream where a magical bear informed him of this information. Justin's belief is Selected Answer: False and unjustified Answers: True and justified. True and unjustified False and justified False and unjustified

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Homework 1b Logical Connectedness, Consistency, Truth, and Justification

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