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Exercise 4.5
3. F: Some F are non-T.
4. All E are A.
5. No non-P are F.
6. F: Some G are non-B.
7. Some P are not non-S.
8. F: No non-H are F.
9. F: Some non-L are not S.
10. F: Some F are not A.
X
Exercise 4.6
Part I
1. Some A are not B.
4. All A are B.
A B
x
6. Some A are not B.
10. No A are B.
A
B
X
A
B
x
Exercise 4.6
Part II
1. No S are B.
5. All R are I.
S
B
R
I
6. F: All S are P.
S
P
X
Exercise 4.6
11. No F are C.
12. F: No I are C.
F
C
x
I
C
X
Exercise 4.7
Part I
1. All banks that make too many risky loans are banks that will fail.
2. No temporary workers are people eligible for fringe benefits.
3. All times security measures are lax are times terrorist attacks succeed.
4. All substances identical to bromine are substances extractable from seawater.
Exercise 4.7
24. Some times are times there are concerts in Central Park.
25. All cities identical to Berlin are cities that were the setting for the 1936 Olympic
34. All novels written by John Grisham are novels about lawyers.
35. All people who hesitate are people who are lost.
45. Some flowers are not fragrant things.
Part II
1. Some figure skating finalists are performers who may win medals.
Exercise 4.7
Part III
1. No flu vaccines are completely successful medicines.
2. All things that are a girl’s best friend are diamonds.
5. Some banks are companies that engage in money laundering.
9. It is false that no charter schools are academic underperformers.
