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In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for the affected individuals. [1] [2] In other words, utilitarian ideas encourage actions that lead to the greatest good for the greatest number.
Rule utilitarianism is a form of utilitarianism that says an action is right as it conforms to a rule that leads to the greatest good, or that "the rightness or wrongness of a particular action is a function of the correctness of the rule of which it is an instance". [1]
Act 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.
Two-level utilitarianism is virtually a synthesis of the opposing doctrines of act utilitarianism and rule utilitarianism. Act utilitarianism states that in all cases the morally right action is the one which produces the most well-being, whereas rule utilitarianism states that the morally right action is the one that is in accordance with a ...
Bentham was the first major philosopher to develop and defend a utilitarian theory of ethics. Like John Stuart Mill, whom he greatly influenced, Bentham believed that happiness or pleasure is the only thing that is good for its own sake.
The book uses real-life examples in explaining the theories. The author considers some problems such as relativism and moral subjectivism, religion and its relations with morality, the ethical and psychological selfishness of people, at the same time that he shows us some very important normative theories, such as Kantianism, utilitarianism ...
Lexical threshold" negative utilitarianism says that there is some disutility, for instance some extreme suffering, such that no positive utility can counterbalance it. [22] 'Consent-based' negative utilitarianism is a specification of lexical threshold negative utilitarianism, which specifies where the threshold should be located.
In ethics, Smart was a defender of utilitarianism. Specifically, he defended "extreme", or act utilitarianism, as opposed to "restricted", or rule utilitarianism. The distinction between these two types of ethical theory is explained in his essay Extreme and Restricted Utilitarianism. [14] Smart gave two arguments against rule utilitarianism.