us, 444-446.

Incarnation, the idea of, not unfamiliar to heathen thought, 512.

Induction, the psychological method of Plato, 356, 357.

Induction and Deduction, Aristotle on, 397, 398.

Infinite, the, not a mere negation of thought, 242-244;
known as the necessary correlative of the finite, 245;
as comprehensible in itself, as the finite is comprehensible in
itself, 246;
in what sense known, 252.

Infinite Series, the phrase, when literally construed, a
contradiction, 181,182.

Infinity, qualitative and quantitative, 239;
qualitative infinity possessed by God alone, 184, 239.

Intentionality, principle of, 190;
denied by Materialists, 194;
a first law of thought, 221-223; recognized by Socrates, 320-324.

Ionian School of Philosophy, a physical and sensational school,
281; subdivided into Mechanical and Dynamical, 282, 283.

Italian School of Philosophy, an Idealist school, 281;
subdivided into the Mathematical and Metaphysical, 282, 296.

J.

Jacobi, his faith-philosophy, 71.

K.

Knowledge, Hamilton's doctrine of relativity of, 229-236;
opposite theories of knowledge among ancient philosophers, 330,
331; the tendency of these theories, 332;
Plato's theory of, 333, 334;
Plato's science of real knowledge, 337, 338.

L.

Language, inadequate to convey the idea of God, 92-94;
Greek language the best medium for the Christian revelation,
468-470.

Leucippus, his first principles _atoms_ and _space_, 291;
a pure Materialist, 292.

Logic of Aristotle, 394-403.

Logical Treatises of Aristotle, 395, 396.

Lucretius, the expounder of the doctrines of Epicurus, 426,427;
his account of the origin of worlds, 437, 438;
of plants, animals, and man, 438.

M.

Mansel, bases religion on feeling of dependence, 72--and sense of
obligation, 73.

Materialists deny the principle of causality, 194, 203--and of
intentionality or final cause, 211-225;
Anaximander, Leucippus, and Democritus belong to the
materialistic school, 286-293:
Epicurus a materialist, 442-446.

Mathematical Infinite, not absolute, 179, 180;
capable of exact measurement, therefore limited, 180;
infinite sphere, radius, line, etc., self-contradictory, 180,