Philosophy Bridge Worksheet
1- Can the rules of validity be applied to syllogisms that contain singular categorical propositions?
2-Consider the following syllogism:
All family-oriented television shows are shows that can be aired during prime time.
Some animated television shows are not shows that can be aired during prime time.
Some animated television shows are not family-oriented television shows.
What is the major premise of the syllogism?
3-Which terms must appear in the unstated premise of the following enthymeme?
All banks are institutions with government-insured deposits.
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No hedge fund is a bank.
4-Can a valid syllogism have false premises?
5-Is the term “whales” distributed?
6-Which terms are distributed in an affirmative singular proposition?
7-Which terms must appear in the unstated premise of the following argument?
No pair of blue jeans is an item of clothing made of silk. Therefore some expensive items of clothing are not pairs of blue jeans.
8-Consider the following syllogism:
All family-oriented television shows are shows that can be aired during prime time.
Some animated television shows are not shows that can be aired during prime time.
Some animated television shows are not family-oriented television shows.
What is the middle term of the syllogism?
9-Are the four (or five) rules of validity used to confirm validity or invalidity?
10-The predicate term is distributed in propositions that are:
11-Could an enthymeme be missing both premises?
12-The subject term is distributed in propositions that are:
Some conservatives support tax cuts.
John Smith supports tax cuts.
John Smith is a conservative.
14-Why is the following syllogism invalid?
No university is an elementary school.
Some educational institutions are not elementary schools.
Some educational institutions are not universities.
15-Why is the following syllogism invalid?
All vertebrates reproduce sexually.
All vertebrates are animals.
All animals reproduce sexually.
16-Consider the following syllogism:
All family-oriented television shows are shows that can be aired during prime time.
Some animated television shows are not shows that can be aired during prime time.
Some animated television shows are not family-oriented television shows.
What is the mood of the syllogism?
17-Consider the following syllogism:
All family-oriented television shows are shows that can be aired during prime time.
Some animated television shows are not shows that can be aired during prime time.
Some animated television shows are not family-oriented television shows.
What is the major term of the syllogism?
18-Consider the following syllogism:
All family-oriented television shows are shows that can be aired during prime time.
Some animated television shows are not shows that can be aired during prime time.
Some animated television shows are not family-oriented television shows.
What is the minor term of the syllogism?
19-What is the unstated premise in the following syllogism?
Jane’s new car gets poor gas mileage because it has a V-8 engine
20-Why is the following syllogism invalid?
All of my uncles have difficult jobs.
All of my uncles are coal miners.
All coal miners have difficult jobs.
21-According to the rules of validity, which terms must be distributed in the unstated premise of the following enthymeme?
All banks are institutions with government-insured deposits.
________________________________________________
No hedge fund is a bank.
22-If two categorical syllogisms have the same form, then:
23-Consider the following syllogism:
All family-oriented television shows are shows that can be aired during prime time.
Some animated television shows are not shows that can be aired during prime time.
Some animated television shows are not family-oriented television shows.
What is the minor premise of the syllogism?
24-What is the unstated premise in the following syllogism?
Carmen only lets her daughter watch shows that are educational. So she doesn’t let her watch some shows on PBS.
25-Find the unstated premise of the following enthymeme.
All classrooms on our campus have chalkboards.
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All rooms in Gustav Hall have chalkboards.