Mr. Nance,

1. Where does the A E I O come from for the four categorical statement types?

These are simply the first four vowels in English. I have been told that A and I come from the Latin “Affirmo” and the E and O from the Latin “Nego,” but I cannot confirm this.

2. If two statements say “Red is my favorite color” and “All my shirts are red” is their relationship independence or implication? Continue reading On Relationships Between Statements →