WorksheetsPHIL 109 5/6
Total questions: 4
Worksheet time: 3mins
Name
Class
Date
1.
What is the mood of the following syllogism?
No gems are worthless stones.
Some rocks are worthless stones.
Some rocks are not gems.
a)
EII
b)
EIO
c)
OIO
d)
EOO
2.
What is the minor term of the following syllogism?
No gem is a worthless stone.
Some rocks are worthless stones.
Some rocks are not gems.
a)
Gems
b)
Worthless stones
c)
Rocks
3.
What two terms must be in the missing premise?
Some animals are warm-blooded because all birds are warm-blooded.
a)
Birds and Animals
b)
Birds and Warm-Blooded Things
c)
Animals and Warm-Blooded Things
4.
Why, if so, is the following syllogism invalid?
Some animals are feathered.
All birds are animals.
Some birds are feathered.
a)
Undistributed middle term
b)
Illicit minor term
c)
Illicit major term
d)
It is valid
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