Here it is that the the Cartesians especially failed, having taken no account of the perceptions of which we are not conscious. It is this also which made them believe that . . . The Monad is by its . . . They are fitted to each other in virtue of the pre-established harmony between all substances. But each branch of the plant, each member of the animal, every drop of its humors is also such a garden or such a pond.
All bachelors are unmarried.
Either today is Tuesday or not. The square on the diagonal is twice the are of the original square. Some bachelors are unhappy. Today is Tuesday. Hauser illustrated the diagonal theorem in class.