Christian Cyclopedia

Eighty RC theses condemning “the principal [Lat. praecipuos] errors of our time” condemned by Pins IX (see Popes, 28); issued 1864 with encyclical Quanta cura (see Encyclicals); not signed by Pius IX.

Propositions condemned include statements on pantheism, naturalism, rationalism, indifferentism, latitudinarianism, socialism, communism, secret socs., Bible socs., clerical-liberal socs., ch. rights, ch. and state, ethics.

Reactions varied. Some regarded the theses as absolute and untenable; others regarded them as relative and conditioned by hist. roots. The latter opinion seems to prevail in RCm today. JEG

See also Roman Catholic Confessions, D.

R. Aubert, “Monseigneur Dupanloup et le Syllabus,” Revue d'Histoire Écclésiastique, LXI (1956), 79–142, 471–512, 837–915; J. Schmidlin, Papstgeschichte der neuesten Zeit, II (Munich, 1934); E. E. Y. Hales, Pio Nono (New York, 1962).