Pleasure principle (psychology)In Freudian psychoanalysis, the pleasure principle (Lustprinzip) is the instinctive seeking of pleasure and avoiding of pain to satisfy biological and psychological needs. Specifically, the pleasure principle is the animating force behind the id. Epicurus in the ancient world, and later Jeremy Bentham, laid stress upon the role of pleasure in directing human life, the latter stating: "Nature has placed mankind under the governance of two sovereign masters, pain and pleasure".
Legal positivismLegal positivism (as understood in the Anglosphere) is a school of thought of analytical jurisprudence developed largely by legal philosophers during the 18th and 19th centuries, such as Jeremy Bentham and John Austin. While Bentham and Austin developed legal positivist theory, empiricism provided the theoretical basis for such developments to occur. The most prominent legal positivist writer in English has been H. L. A.
Act utilitarianismAct utilitarianism is a utilitarian theory of ethics that states that a person's act is morally right if and only if it produces the best possible results in that specific situation. Classical utilitarians, including Jeremy Bentham, John Stuart Mill, and Henry Sidgwick, define happiness as pleasure and the absence of pain. To understand how act utilitarianism works, compare the consequences of watching television all day tomorrow to the consequences of doing charity work tomorrow.
Individual and group rightsGroup rights, also known as collective rights, are rights held by a group as a whole rather than individually by its members; in contrast, individual rights are rights held by individual people; even if they are group-differentiated, which most rights are, they remain individual rights if the right-holders are the individuals themselves. Historically, group rights have been used both to infringe upon and to facilitate individual rights, and the concept remains controversial.
