A Topic of Moral Theology
Sharing in non-Catholic worship
Communicatio in sacris forbidden; passive presence; religious disputes with non-Catholics.
The works themselves ask 25 questions under this heading — see them together with their answers.
Within this topic
See also The Reunion of Christendom — in Schism · Mixed Marriages — in Difference of Religion
Also asked about as…
attending a protestant service · ecumenical services · going to a non-catholic church · praying with non-catholics · worshipping with protestants (ed.)
In the index as Communication with infidels and heretics · Participation of Catholics in Non-Catholic Services · Communication with heretics and infidels · Cooperation in another's sins · Infidelity · Communication · Organ · Funeral · Heretics are held per se to the laws of the Church · Temples of non-Catholics · Becoming chant · Book, prohibited books · Burial · Chant/Singing · Circumcision · Communicatio in sacris · Communication with an excommunicated person in a criminal crime · Cooperation · Disputation with heretics · Godfather · Heretics · Marriage · Minister · Witnesses
In the manuals
Read the manuals side by side → — each work's whole treatment in its own column
A Manual of Moral Theology for English-Speaking Countries
Vol. I, Bk. V, Pt. I, Chapter II. External Profession of the Faith, nn. 4 & 5 (2 passages — hover a number to read it)
Moral Theology: A Complete Course (McHugh & Callan)
Vol. I, Pt. II, Q. I, Art. 3. The Commandments o…, Communication in Worship, nn. 956–975 (20 passages)
Vol. I, Appendix II. The “Ecumenical Movement”, n. ¶1 — The “Ecumenical Movement” [placed at end of Volume I, after the preceding Appendix, in print edition] On December 20, 1949 the Holy Office issued an instruction on the “Ecumenical Movement” addressed to all local Ordinar… Read in context →
Moral Enchiridion, and Supplement to the Compendium of Moral Theology of Gury-Ballerini (Enchiridion Morale)
Bucceroni, Moral Enchiridion, On the Theological Virtues, n. ¶27 — On Schismatics to Be Admitted at the Funerals of Catholics. "Insofar as schismatics accompanying the funerals of Catholics exhibit a merely material presence, for the sake of civil honor toward the deceased, not mixing themselves with the Catholic prayers or rites by which it is … Read in context →
Moral Enchiridion, Comprising Select Decrees and Definitions of the Holy See, of Ecumenical Councils and of the Sacred Roman Congregations (Enchiridion Morale), Fourth Edition
Bucceroni, Moral Enchiridion (4th ed., 1905), On the Theological Virtues, n. 367 (8 passages — hover a number to read it)
Cases of Conscience, Proposed by Cardinal de Lugo, by Fr. Beniamino Elbel, by Fr. Ioannes Petrus Gury and by Other Authors, and Resolved (Casus conscientiae)
30. Communication with Heretics, nn. 1, 2 & 3 (22 passages — hover a number to read it)
Manuale Theologiae Moralis
Vol. I, Pt. I, Tract VII. On theological …, Ch. III, Art. III, § 1. On communication with unbelievers and heretics, nn. 522, 523, 524, 525, 526 & 527 (6 passages — hover a number to read it)
Institutiones Morales Alphonsianae
Vol. I, Pt. II, Sect. I, Tr. I, Ch. III, Art. III, § 2. On Communication With Heretics and Unbelievers, nn. ¶447, ¶448, ¶449 & ¶450 (4 passages — hover a number to read it)
Summa Theologiae Moralis
Vol. I, Special Moral Theology, Treatise: On Divine Faith, Fourth Part: On the Vices …, Question Two: On Sins Indi…, Article I: On Communication with Infidels and Heretics, nn. ¶1, 752, 753, 754, 755, 756, 757, 758, 759 & 760 (50 passages — hover a number to read it)
Vol. I, Special Moral Theology, Treatise: On Divine Faith, Fourth Part: On the Vices …, Question Two: On Sins Indi…, Article II: On Cooperation with Infidelity and Heresy, nn. 761, 762, 763, 764, 765, 766, 767 & 768 (62 passages — hover a number to read it)
Compendium of Moral Theology
Vol. I, Tr. V, Ch. I, Art. III, § I. On Infidelity in General, nn. 158 & 159 (2 passages — hover a number to read it)
Summa Summae S. Thomae (Billuart)
Billuart, Summa Summae, Tomus III. On the Secunda …, On Faith, On the Habit and Subject o…, Whether a false religion can be tolerated by the true, nn. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 & 13 (13 passages — hover a number to read it)
Christian Theology, Dogmatic and Moral, in Compendium
Bk. III, Diss. I, Chapter VIII — On the communication of the Faithful with Infidels, nn. I, II, III & IV (4 passages — hover a number to read it)
Diss. I, Chapter IV — On the ministers of the sacraments, n. XXV — XXV. In a case of extreme necessity, namely in the article of death, it is lawful to seek from heretics, schismatics, and those cut off from the Church the two sacraments of Baptism and Penance, as was declared by Trent,… Read in context →
Palladium Theologicum, Tome V: On the Virtues
Tr. I, Disputation III: On Heresy, Question IX: Whether we are bound to avoid the conversation of heretics, nn. 1–17 (17 passages)
Cases of Conscience for English-Speaking Countries, Volume I
Slater, Cases I, Faith, Case 4. An Oratorio in an Anglican Church, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7, ¶8, ¶9, ¶10 & ¶11 (11 passages — hover a number to read it)
Slater, Cases I, Faith, Case 5. Joining in Non-catholic Religious Rites, nn. ¶1, ¶2, ¶3, ¶4, ¶5, ¶6, ¶7 & ¶8 (8 passages — hover a number to read it)
The 1917 Code of Canon Law
1917 Code of Canon Law, Book Three: Of Things, Part Three: Of Divine Worship, can. 1258 — § 1. It is not licit for the faithful in any way actively to assist or have a part in the sacred rites of non-Catholics. § 2. Passive or merely material presence can be tolerated, for the sake of civil office or honor, f… Read in context →
Tolerance
Vermeersch, Tolerance, Third Part: Corollaries an…, First Section: Doctrinal Questions, nn. ¶1114, ¶1115, ¶1116, ¶1117, ¶1118, ¶1119, ¶1120, ¶1121, ¶1123, ¶1126, ¶1127, ¶1132, ¶1135, ¶1136, ¶1137, ¶1141, ¶1142, ¶1146, ¶1147, ¶1149, ¶1150, ¶1154, ¶1157, ¶1158, ¶1159, ¶1160, ¶1161, ¶1162, ¶1164, ¶1165, ¶1166, ¶1167, ¶1169, ¶1170, ¶1171, ¶1172, ¶1175, ¶1176, ¶1178, ¶1179, ¶1180, ¶1181, ¶1182, ¶1183, ¶1184, ¶1188, ¶1189, ¶1191, ¶1192, ¶1193, ¶1196, ¶1198, ¶1199, ¶1200, ¶1202, ¶1203, ¶1204, ¶1205, ¶1207, ¶1208, ¶1210, ¶1211, ¶1214 & ¶1215 (64 passages — hover a number to read it)
Vermeersch, Tolerance, Conclusion, nn. ¶1355, ¶1356, ¶1360, ¶1361, ¶1362, ¶1365, ¶1366, ¶1367, ¶1370, ¶1371, ¶1372, ¶1373, ¶1374, ¶1376, ¶1377, ¶1378, ¶1379, ¶1381, ¶1382, ¶1383, ¶1385, ¶1386 & ¶1387 (23 passages — hover a number to read it)
Treated under the broader heading External Profession of the Faith — Noldin, Summa of Moral Theology · Tanquerey · The Casuist — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)