Front

Is the following syllogism valid or invalid?
All P are M
Some M are S
Some S are P

Back

Invalid, undistributed middle term

Front

Is the following valid or invalid?
No P is M
All S are M
No S is P

Back

Valid

Front

Is the following valid or invalid?
All M are P
All M are S
All S are P

Back

Invalid, illicit minor term

Front

What kind of categorical proposition only distributes the predicate term? Options: A, E, I, O

Back

O