68

G68

proceeds as if upon the principle that a predicate which
throughout a more or less extensive experience has been uniformly
found to be true of all the obj members of a given class that
have been examined in this respect may, with little risk, be
presumed to be true of every member of that class, without
exception; and that while it is not necessary that the
inductive reasoner should have this principle clearly in
mind, the logician, whose business it partly is to explain why
inductions turn out to be true, must recognize the fact