92

A3

will be true, to the extent and in the manner
in which the argument pretends that
they will, the argument is sound; if not,
it is a false pretension and is unsound.
I thus make the soundness of argument
to consist in the facts of the case and
not at all in whether the reasoner feels confidence in
the argument or not. I may further
say that there are three great classes of
argument Deductions, Inductions, and
Abductions; and these profess to tend
toward the truth in very different senses,
as we shall see. I suppose this answers
the question intended. However, it