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transformation can be effected under certain conditions.
The collection of Spaniards is an adorer of the whole
collection of women, provided every Spaniard adores
a woman and every woman is adored by a Spaniard.
That every Spaniard adoresa woman shows that all
Spaniards are adorers of woman, but not that all
Spaniards are adorers of a woman. It is sometimes
desirable to speak of a collection of Spaniards, and at
other times, though rarely except in the theory of numbers,
to speak of the collection of whatever Spaniards there may be.
Usually, a collective is indefinite. It always refers to vistents.
for possibilities are not units of collections. In the rare
cases in which we wish to say, for example, that the
number of all Spaniards is divisible by seven, we,
can say that there is a collection of Spaniards such that
there is no exclusive collection of Spaniards which is a