| 17 | Moral philosophy. Ethics. Practical philosophy ⇨ 2-42 Moral behaviour. Moral theology |
| 17.0 | Theories and trends in ethics |
17.01 | Concept, role, methods of ethics |
| 17.011 | Conception and task of ethics |
| 17.018 | Methods of ethics |
| 17.018.1 | Rational, transcendental, a priori methods |
| 17.018.2 | Empirical, analytical-inductive methods |
| 17.018.21 | Psychological methods |
| 17.018.22 | Historical, sociological and ethnological methods |
| 17.02 | Nature of the moral. Moral facts |
| 17.021 | Objects of moral judgement |
| 17.021.1 | Behaviour. Conduct. Actions. Omissions |
| 17.021.2 | Persons. Individuals. Character ◇ 17.021.2-056.1 Persons according to general constitution, disposition or character ◇ 17.021.2-056.31 Persons according to intelligence ◇ 17.021.2-058.6 Victims of circumstances |
| 17.021.3 | Social groups ⇨ 316.35 Social groups. Social organizations |
| 17.021.4 | The human race as an object of moral judgement. Humanity. Humankind. Mankind ⇨ 2-18 Man. Mankind. Humanity. Doctrinal anthropology ⇨ 930.1 History as a science |
| 17.022 | Moral judgement |
| 17.022.1 | Moral value judgement. Moral values, standards Values of life, of happiness. Aesthetic, social, religious values. Reputation. Fame. Prestige. Esteem. Kudos ⇨ 161.225.23 Value judgements. Evaluation. Normative judgements |
| 17.022.2 | Consequences of moral conduct Reward. Punishment |
| 17.023 | Moral law. Origin and content of moral law. Moral principles |
| 17.023.1 | Rationality of human nature (Aristotle. Thomas Aquinas) |
| 17.023.2 | Logical principle. Consistency. Categorical imperative (Kant) |
| 17.023.3 | Teleological principles. Purposes, ends |
17.023.31 | The individual |
| 17.023.32 | Social group Family. Kinship. Tribe. People. Nation. Race. Class. Humanity ⇨ 316.35 Social groups. Social organizations |
| 17.023.33 | Biological ends Life. Higher development. Übermensch (superman). Natural morality |
| 17.023.34 | Pleasure. Happiness. Diminution of suffering |
| 17.023.35 | Utility. Benefit. Welfare |
| 17.023.36 | Perfection. Progress. Culture, civilization |
| 17.023.4 | Sociological principles |
| 17.023.5 | Material values |
| 17.023.6 | Unity and multiplicity of moral principles Clash of moral duties. Casuistry |
| 17.024 | Sources of moral perception |
| 17.024.1 | Consciousness of norms. Conscience |
| 17.024.2 | Feeling. Intuition |
| 17.024.3 | Insight. Reflection |
| 17.024.4 | Experience. Success |
| 17.025 | Basis of moral obligation. Acceptance and sanction of moral law |
| 17.025.1 | Heteronomy. Authority Divine authority. Authority of the state. Social convention |
| 17.025.2 | Autonomy |
| 17.026 | Motives of moral conduct |
| 17.026.1 | Selfish impulses. Egoism. Interest |
| 17.026.2 | Social impulses. Solidarity ⇨ 316.628 Motivation of social behaviour. Needs. Aspirations |
| 17.026.3 | Sympathetic feelings Commiseration, compassion (Schopenhauer). Conjubilation, shared joy (L. Feuerbach) |
| 17.026.4 | Respect for moral law. Dignity of the personality (Kant) |
| 17.03 | Ethical doctrines and points of view |
| 17.031 | Ethical doctrines and points of view according to the nature of the moral |
| 17.031.1 | Formalism Rigoristic (ascetic), aesthetic, relativistic formalism |
| 17.031.2 | Material determination |
| 17.032 | Ethical doctrines and points of view according to the origin of moral perception |
| 17.032.1 | Morality of feelings. Intuitionism in Ethics |
| 17.032.2 | Intellectualism. Rationalism. ‘A priorism’ |
| 17.032.3 | Voluntarism |
| 17.032.4 | Empiricism. Evolutionism |
| 17.033 | Ethical doctrines and points of view according to basis of moral obligation |
| 17.033.1 | Heteronomism. Authoritarianism |
| 17.033.2 | Autonomism |
| 17.034 | Ethical doctrines and points of view according to motives of moral conduct |
| 17.034.1 | Ethics of feeling |
| 17.034.2 | Ethics of reflection |
| 17.034.3 | Ethics of attitude |
| 17.035 | Ethical doctrines and points of view according to objects of moral conduct |
| 17.035.1 | Individualism Egoism. Altruism |
| 17.035.2 | Universalism |