Practice Quiz 3

1
Practice Quiz 3

• Hurley 4.3 - 4.7

2
For the quiz

• I will provide you with a categorical
  proposition, like
• No apples sold in Minnesota are mushy weapons
• Ill ask you for its
• quality
• qualifier
• quantity
• quantifier
• copula
• distribution
• letter name
• terms

3
1

• Consider
• No non-A are B (T) Obversion
• Some non-A are B. (F)
• All A are non-B. (Und.)
• All non-A are non-B. (T)
• Some non-A are not B. (T)
• No B are non-A. (T)

4
2

• Consider
• All A are non-B. (F) Contraposition
• All A are non-B. (F)
• All non-B are A. (Und.)
• No non-A are B. (Und.)
• All B are non-A. (F)
• Some non-A are not B. (T)

5
3

• Consider
• Some A are not non-B. (T) ? Some A are B.
• Contraposition (T)
• Contrary (F)
• Conversion (T)
• Obversion (T)
• Subcontrary (Und.)

6
4

• Consider
• Some non-A are B. (F) ? Some B are non-A.
• Subcontrary (T)
• Conversion (Und.)
• Contraposition (Und.)
• Conversion (F)
• Contraposition (F)

7
5

• Assume Aristotle (Traditional standpoint).
• Consider
• Some A are non-B. (F) ? Some A are not non-B. (F)
• Illicit, contrary
• Illicit, subalternation
• Subcontrary
• Illicit, subcontrary
• Contraposition

8
6

• No S are P. (Aristotelian standpoint)
• After filling in the diagram
• Area 2 is shaded, and there is a circled X in
  area 1.
• Areas 1 and 3 are shaded.
• Area 1 is shaded, and there is a circled X in
  area 2.
• There is an X in area 2.
• Area 1 is shaded, and there are no other marks.

9
7

• All S are P. (Boolean standpoint)
• After filling in the diagram
• Areas 1 and 3 are shaded.
• Area 2 is shaded, and there are no other marks.
• Area 1 is shaded, and there is a circled X in
  area 2.
• There is an X in area 2.
• Area 1 is shaded, and there are no other marks.

10
8

• Shade area 2 and place an X in area 1.
• Which of the following would be valid inferences
• shaded area 2.
• an X in area 3.
• an X in area 1.
• shaded 1.
• no Xs or shadings.

11
9

• Shade area 1 and place an X in area 2.
• Which of the following would be valid inferences
• shaded area 2.
• an X in area 3.
• shaded area 1, and X in area 2.
• shaded 1.
• no Xs or shadings.

12
10

• Assume Aristotle (Traditional standpoint).
• Consider
• No non-A are B. (T) ? Some non-A are not B. (F)
• Illicit, subalternation
• Illicit, contradictory
• Contradictory
• Illicit, subcontrary
• Conversion

13
11

• Assume Bool (Modern standpoint).
• Consider
• No A are B. (T) ? Some A are B. (F)
• Existential fallacy
• Illicit, contradictory
• Contradictory
• Illicit, subcontrary
• Conversion

14
12

• Assume Bool (Modern standpoint).
• Consider
• No A are B. (T) ? All A are B. (F)
• Existential fallacy
• Illicit, contrary
• Contradictory
• Illicit, subcontrary
• Conversion

15
13

• Assume Aristotle (Traditional standpoint)
• All square circles are happy shapes.
• ? Some square circles are happy shapes.
• Existential fallacy
• Valid, contradictory
• Valid, subcontrary
• Invalid, subalternation
• Invalid, contrary