Match each proposition form to its letter
Exercise and reference answers
- Matching pairs
- Left
- A
- Right
- Universal Affirmative: All S is P
- Left
- E
- Right
- Universal Negative: No S is P
- Left
- I
- Right
- Particular Affirmative: Some S is P
- Left
- O
- Right
- Particular Negative: Some S is not P
Explanation
The four classical forms.
Syllogism questions in competitive papers are built entirely from these.
Source: Logic: Deductive and Inductive, Carveth Read (1898), public domain.