SINOPSIS DEL LIBRO

In the Chapter on Propositions of Existence I have adopted a new normal form in which the Class whose existence is affirmed or denied is regarded as the Predicate instead of the Subject of the Proposition thus evading a very subtle difficulty which besets the other form These subtle difficulties seem to lie at the root of every Tree of Knowledge and they are far more hopeless to grapple with than any that occur in its higher branches For example...Seguir leyendo