Status: Tags: Links: Propositions
Categorical Proposition
AEIO Propositions
Name | Statement | Quantity | Quality |
---|---|---|---|
A | All S is P | Universal | Affirmative |
E | No S is P | Universal | Negative |
I | Some S is P | Particular | Affirmative |
O | Some S is not P | Particular | Negative |
Terms
- Quantity
- The number of members in the subject class used in the proposition
- ex) All would be universal
- The number of members in the subject class used in the proposition
- Quality
- Whether the S is applicable to the predicate
- ex) Affirmative implies that S are P
- Whether the S is applicable to the predicate
- Some
- Means one or more
Notes
- There is no correlation between I and O propositions
References: