3

3

an outline of my theory which you will subject to criticism
in the months to come.

In order that you may understand me, that you may
for this one week put yourselves, as far as you can, in my
intellectual shoes,--leaving yourselves to decide only after
you have worn them for a while whether they really fit or
not,--that I am going to begin by telling you something about
my classification of the sciences; because it will aid you
in the difficult task of imbibing my notion of the kind
of science that I hold logic to be.

I have gained an unfortunate reputation as a
writer upon the algebra of logic. It is generally understood
that I hold logical algebra to be the main part of logic.
But that is quite a mistake. I am in the world but not of
the world of formal logic. A calculus, even in mathematics