Normative ethics is primarily concerned with the study of moral principles and values that guide our moral judgments and actions.

Utilitarianism, deontology, and virtue ethics are all prominent theories in normative ethics.

According to utilitarianism, the right action is the one that produces the greatest amount of utility, which is defined as the sum of happiness or pleasure minus the sum of pain or suffering.

Deontological theories in normative ethics emphasize the importance of duties and obligations, rather than the consequences of actions or moral character.

Virtue ethics in normative ethics focuses on the development of both moral virtues, such as courage and honesty, and intellectual virtues, such as wisdom and knowledge.

The categorical imperative, universalizability, and respect for persons are all key concepts in Kantian ethics.

The principle of non-maleficence in normative ethics states that we should do no harm to others.

The principle of beneficence in normative ethics states that we should promote good to others.

The principle of justice in normative ethics is concerned with both fairness and equality, as well as rights and duties.

Rawlsian justice, utilitarian justice, and libertarian justice are all prominent theories of justice in normative ethics.

The principle of autonomy in normative ethics emphasizes the importance of both individual freedom and choice, as well as respect for persons.

Kantian ethics, libertarianism, and existentialism are all prominent theories in normative ethics that emphasize the importance of autonomy.

The principle of veracity in normative ethics states that we should both tell the truth and keep promises.

Kantian ethics is a prominent theory in normative ethics that emphasizes the importance of veracity.

The principle of fidelity in normative ethics states that we should both be loyal to our commitments and be faithful to our friends and family.