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that the As cannot be put into a one-to-one
relation to Bs except by showing that
there are no Bs for them to be in one to one
relation to. Now it is plain there cannot be such a demonstration.

It cannot be said that this definition
of possibility is satisfactory.

Not to trouble you with logical subtleties
where I can avoid it, let us
say that an assertion is general if no amount
of actual fact could certainly fulfill the truth of
it. It says you never will find this falsified.
The future never will have been exhausted.
A general assertion, leaves it to the hearer to take any
instance he can. To say “all men are mortal” is
as much to say, you can take any man
you please, and experience will prove he is a liar.

Of an opposite kind are indefinite assertions