The Proposition may be written
“No | persons who are not ‘John’ | are | persons who have read the letter”.
4. Univ. is “persons”. The Subject is evidently the Class of persons whose only two Members are “you and I”.
Hence the Sign of Quantity is “no”.
The Proposition may be written
“No | Members of the Class ‘you and I’ | are | old persons”.
[pg135]5. Univ. is “creatures”. The verb “run well” may be replaced by the phrase “are creatures that run well”.
The Proposition may be written
“No | fat creatures | are | creatures that run well”.
6. Univ. is “persons”. The Subject is evidently the Class of persons who are not brave.