Abstract: Introduction: Metaethics and Normative Ethics – Moral Realism – Theological Voluntarism – Ethical Naturalism – Nonnaturalism – Antirealist Expressivism and Quasi-Realism – Biology and Ethics – Sensibility Theory and Projectivism – Moral Sentimentalism and Moral Psychology – Moral Relativism and Moral Nihilism – Humean Theory of Practical Rationality – Morality and Practical Reason: A Kantian Approach – Free Will and Moral Responsibility – Value Theory – Some Forms and Limits of Consequentialism – Deontology – Moral Rights – Kantian Normative Ethics – Virtue Ethics – The Ethics of Care – Particularism and Antitheory – Intuitions in Moral Inquiry – Theory, Practice, and Moral Reasoning

Keywords: consequent, consequentialism, ethics, forms, free will, intuition, morality, moral psychology, moral realism, naturalism, nihilism, normative, particularism, practical reason, quasi-realism, rational, rationality, reason, reasoning, relativism, responsibility, right, rights, theory, value, virtue, virtue ethics, voluntarism, will, ethics of care, meta-ethics, natural