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is possible the argument assumes quite another
complexion, and becomes an induction of
the Third Order. Inductions of the second order
are of two varieties, that are
logically quite distinct.

The weaker of these is where the predictions
that are fulfilled are merely of the
continuance in future experience of
the same phenomena which originally
suggested and recommended the hypothesis,
expectations directly involved
in holding the hypothesis. Even such
confirmation may have considerable
weight. This, for example, is the way
in which the undulatory theory of light