Insurance, 1749 c.

Intellect, art and prudence the two practical virtues of, 1627.

Intention, as act of will, 58. See also Prayer.

Internationalism, False, sin against piety, 2349 b.

Interpretation, of law, 315 sqq.; verbal or emendatory, 315; by private or public authority, 316; of ecclesiastical laws, 483 sqq.; rules for doctrinal interpretation, 485.

Invocation, of a demon, 2284; invocation of spirits, see Religion, Sins against.

Irascible Passions, 118, 120.

Irregularities, as disqualifications for reception of Holy Orders, 2784 b.

Irreligiousness, see Religion, Sins against.

Jail-breaking, and restitution, 1983.