PHIL109007 103018

Given premise: Some S are M

Conclusion: Some S are not P

What is the missing premise?

• All P are M

• Some P are not M

• No P is M

• Some M are not P

Given premise: All P are M

Conclusion: No S is P

What is the missing premise?

• All S are M

• Some S are M

• Some S are not M

• No M is S

What, if any, is the error in the following syllogism?

Some slightly strange professors are bad teachers.

Pettit is a slightly strange professor.

Pettit is a bad teacher.

• Illicit minor term

• Illicit major term

• Undistributed middle term

• No error, the syllogism is valid

What, if any, is the error in the following syllogism?

All M are P.

Some S are M.

Some S are P.

• Illicit major term

• Illicit minor term

• Undistributed middle term

• No error, the syllogism is valid