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Logic 101 Practice Test: Formal Logic - Categorical Propositions
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Avg score: 26% • Most missed: “A Chevrolet is not a Ford.”
Formal logic is logic that deals with the form or logical structure of statements and propositions.  In syllogistic or traditional logic, a categorical proposition is a statement that affirms or denies the predicate of all or part of the subject.  Categorical propositions are important because they provide additional context by comparing one thing to another.  Here are the four types of categorical propositions: A-propositions: All S are P E propositions: All S are not P I propositions: Some S are P O propositions: Some S are not P  Propositions that refer to all or none are called... Show more
Logic 101 Practice Test: Formal Logic - Categorical Propositions
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25 Questions

1. None but English Majors are eligible.
2. A Chevrolet is not a Ford.
3. Some toys are not safe playthings. Therefore, some toys are unsafe playthings.
4. No arms manufacturers are contributors to world peace. Therefore, no contributors to world peace are arms manufacturers.
5. Which of the following categorical propositions is in standard form?
6. All except the skaters won a medal.
7. All werewolves are unwelcome companions. Therefore, no werewolves are welcome companions.
8. All married bachelors are polygamists. Therefore, it is false that some married bachelors are not polygamists.
9. In Categorical Proposition 1C, the subject term is:
10. Given the categorical proposition 'No musicians are steam fitters.' If the quality but not the quantity is changed, the resulting proposition is:
11. In Categorical Proposition 1G, the copula is:
12. He shoots anything that moves.
13. Not every student will graduate.
14. Given the categorical proposition 'Some police shootings are tragedies that could have been avoided.' If the quality but not the quantity is changed, the resulting proposition is:
15. There are mountains on the horizon.
16. In Categorical Proposition 1H, the subject term is:
17. Soft drinks are not alcoholic.
18. Which of the following categorical propositions is in standard form?
19. Given the categorical proposition 'Some genetic mutations are occurrences that lead to disease.' If the quantity but not the quality is changed, the resulting proposition is:
20. In Categorical Proposition 1E, the quantity is:
21. All of the tools except the wrenches are rusted.
22. Canaries are chirping in the aviary.
23. Given the categorical proposition 'All banks are lending institutions.' If the quantity but not the quality is changed, the resulting proposition is:
24. Some non-A are not
25. It is false that no landlords are entrepreneurs who evict tenants. Therefore, all landlords are entrepreneurs who evict tenants.

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