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The concept of measuring hedonic utility arose in Utilitarianism, with Classical Utilitarians acknowledging that the actual pleasure might not be easy to express quantitatively as a numeric value. Bentham, the early proponent of the concept, declared that the happiness is a sequence of episodes , each characterized by its intensity and duration.
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 ...
Whereas act utilitarianism requires us to choose our actions by calculating which action will maximize utility and rule utilitarianism requires us to implement rules that will, on the whole, maximize utility, motive utilitarianism "has the utility calculus being used to select motives and dispositions according to their general felicific ...
The utility functions may represent their chance of recovery – () is the probability of agent to recover by getting doses of the medication. The utilitarian rule then allocates the medication in a way that maximizes the expected number of survivors.
The book contains several of Bentham's most best-known quotations. In Chapter 1, "Of the Principle of Utility," Bentham describes how actions are motivated by the desire for pleasure and are right insofar as they create utility or happiness: "Nature has placed mankind under the governance of two sovereign masters, pain and pleasure.
An act that reduces one person's utility by 75 utils while increasing two others' by 50 utils each has increased overall utility by 25 utils and is thus a positive contribution; one that costs the first person 125 utils while giving the same 50 each to two other people has resulted in a net loss of 25 utils.
Principle of utility. The principle of utility, or "greatest happiness principle", forms the cornerstone of all Bentham's thought. By "happiness", he understood a predominance of "pleasure" over "pain". He wrote in An Introduction to the Principles of Morals and Legislation: [86]