Question 1

Translate the following into a standard-form categorical claim: Whenever Rosa sings, people close their ears with their fingers.

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Question 2

Translate the following into a standard-form categorical claim: There's nobody in the park except members of the Lucero family.

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Question 3

Assume that the original claim is , and follow the directions given. What is the truth value of the claim you wind up with?

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Question 4

Using the square of opposition and the truth value of the first claim, determine the truth values of the other claims.
a. : Some winters are dry seasons.
b. No winters are dry seasons.
c. All winters are dry seasons.
d. Some winters are not dry seasons.

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Question 5

Reconstruct the following as a standard-form syllogism; then, determine whether it is valid using either a Venn diagram or the rules of the syllogism.
"Not necessarily, Mr. Dalgliesh. Suppose it's a double bluff. Suppose he's saying in effect, 'Look, I can prove I knew the Whistler was dead. Whoever killed Hilary Robarts didn't know. So why aren't you looking for someone who hadn't been told that the Whistler's body had been found?'" -P.
D.James, Devices and Desires

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Question 6

Reconstruct the following as a standard-form syllogism, and determine whether it is valid.
None of the southern provinces of Spain were outside the control of the Moors before the end of the fifteenth century. So all the provinces of Andalucia must have been within Moorish control, because all of them are southern provinces.

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Question 7

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim. Translation into standard form may be required.
a. Optical disks never wear out. ()
b. Some disks other than optical disks do sometimes wear out.

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Question 8

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim.
a. No cats are friendly. 
b. Some cats are friendly.

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Question 9

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim.
a. All politicians are honest. 
b. Some politicians are honest.

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Question 10

Determine whether the following argument is valid by using either the diagram method or the rules of the syllogism.
Some early Christians were rationalists.
All early Gnostics were rationalists.
So, some early Gnostics were Christians.

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Question 11

Reconstruct the following as a standard-form syllogism; then, determine whether it is valid using either a Venn diagram or the rules of the syllogism.
Only those courses that are in the schedule will be offered. Among the courses that will not be offered is History 105, History of Europe. Therefore, History 105 is not in the schedule.

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Question 12

Assume that the original claim is , and follow the directions given. What is the truth value of the claim you wind up with?
All cakes are edible desserts.
(obverse, then find the contradictory.)

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Question 13

Here is an argument with an unstated premise or conclusion. Translate it into a standard-form syllogism and determine whether the reasoning is valid.
Nobody gets married around Christmas except people who don't care about making their friends fight the holiday travel rush, and she couldn't care less about her friends. Draw your own conclusion.

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Question 14

Translate the following into a standard-form categorical claim: Lydia is the only person in our group who sold stock before the crash.

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Question 15

Using the square of opposition and the truth value of the first claim, determine the truth values of the other claims.
a. : All surprises are unpleasant events.
b. No surprises are unpleasant events.
c. Some surprises are unpleasant events.
d. Some surprises are not unpleasant events.

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Question 16

Here is an argument with an unstated premise or conclusion. Translate it into a standard-form syllogism and determine whether the reasoning is valid.
The guys must have gone home early, since none of them were at the Bear.

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Question 17

Translate the following into a standard-form categorical claim: Not all cars are eco-friendly.

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Question 18

Translate the following into a standard-form categorical claim: The only organic products are chemical-free products.

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Question 19

Here is an argument with an unstated premise or conclusion. Translate it into a standard-form syllogism and determine whether the reasoning is valid.
Some family men are not gamblers, since no gamblers are prudes.

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Question 20

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim.
a. Some engineers are not employed. 
b. All engineers are employed.

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Exam 9: Capital Budgeting

Translate the following into a standard-form categorical claim: Whenever Rosa sings, people close their ears with their fingers.

Translate the following into a standard-form categorical claim: There's nobody in the park except members of the Lucero family.

Assume that the original claim is , and follow the directions given. What is the truth value of the claim you wind up with?

Using the square of opposition and the truth value of the first claim, determine the truth values of the other claims. a. : Some winters are dry seasons. b. No winters are dry seasons. c. All winters are dry seasons. d. Some winters are not dry seasons.

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim. Translation into standard form may be required. a. Optical disks never wear out. () b. Some disks other than optical disks do sometimes wear out.

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim. a. No cats are friendly. b. Some cats are friendly.

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim. a. All politicians are honest. b. Some politicians are honest.

Determine whether the following argument is valid by using either the diagram method or the rules of the syllogism. Some early Christians were rationalists. All early Gnostics were rationalists. So, some early Gnostics were Christians.

Assume that the original claim is , and follow the directions given. What is the truth value of the claim you wind up with? All cakes are edible desserts. (obverse, then find the contradictory.)

Translate the following into a standard-form categorical claim: Lydia is the only person in our group who sold stock before the crash.

Using the square of opposition and the truth value of the first claim, determine the truth values of the other claims. a. : All surprises are unpleasant events. b. No surprises are unpleasant events. c. Some surprises are unpleasant events. d. Some surprises are not unpleasant events.

Here is an argument with an unstated premise or conclusion. Translate it into a standard-form syllogism and determine whether the reasoning is valid. The guys must have gone home early, since none of them were at the Bear.

Translate the following into a standard-form categorical claim: Not all cars are eco-friendly.

Translate the following into a standard-form categorical claim: The only organic products are chemical-free products.

Here is an argument with an unstated premise or conclusion. Translate it into a standard-form syllogism and determine whether the reasoning is valid. Some family men are not gamblers, since no gamblers are prudes.

Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim. a. Some engineers are not employed. b. All engineers are employed.