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WorksheetsPHIL 109 12/2
Total questions: 4
Worksheet time: 4mins
Why, if at all, is this syllogism invalid?
All people with something to hide plead the 5th Amendment
Tom pled the 5th Amendment.
Tom has something to hide.
Undistributed middle term
Illicit minor term
Illicit major term
It is valid
Why, if at all, is the following syllogism invalid?
No one who competes for money is an amateur.
No professional is an amateur.
All professionals compete for money.
Illicit major term
Two negative premises
Undistributed middle term
It is valid
What is the mood of the following syllogism?
All students are important people.
Some students are exhausted.
Some exhausted people are important people.
AIA
AAI
AII
AAA
Why, if at all, is the following syllogism invalid?
All students are important people.
Some students are exhausted.
Some exhausted people are important people.
Undistributed middle term
Illicit minor term
Illicit major term
It is valid
