Moral and Social Teaching, Ethics and Christian Living
This domain tests your ability to reason morally in the Catholic tradition, not merely to quote rules. MATSEC expects natural law, conscience, virtue and the principles of Catholic social teaching, applied to concrete cases with clear distinctions.
Core rules and concepts
- Sources of moral knowledge: Scripture, Tradition, natural law (Aquinas) and conscience. Conscience must be formed and is binding, but an erroneous conscience does not make an act objectively good.
- Virtues: cardinal (prudence, justice, fortitude, temperance) and theological (faith, hope, charity).
- Catholic social teaching: human dignity, common good, subsidiarity, solidarity, and the preferential option for the poor (Gaudium et Spes, Populorum Progressio, Centesimus Annus).
- Sin requires grave matter, full knowledge and deliberate consent for mortal sin; venial sin lacks one of these conditions.
- Double effect has four conditions: the act itself is good or neutral; the intention is good; the bad effect is not the means; proportionality holds.
Worked example
Question: "Is palliative sedation that shortens life permissible?" Reason: Apply double effect. The act (relieving pain) is good; the intention is relief, not death; the sedation is not the means of death; and the benefit is proportionate to the risk. The answer changes if the intention is to cause death, which would be euthanasia. A good response names the four conditions explicitly and distinguishes palliative care from assisted dying.
Traps that cost marks
- Legalism: treating every Church statement as infallible doctrine.
- Confusing prudential judgments with binding moral norms.
- Treating conscience as a feeling rather than a judgment of reason.
- Omitting proportionality in double-effect cases.