Felicific calculus private be thy end:<br> If it be public, wide let them extend<br> Such pains avoid, whichever be thy view:<br> If pains must come, let them extend to few. The units of measurements used in the felicific calculus may be termed "hedons" and "dolors". They may be regarded as similar to the utilitarian posends and negends. Felicific calculus The felicific calculus is an algorithm formulated by utilitarian philosopher Jeremy Bentham (1748–1832) for calculating the degree or amount of pleasure that a specific action is likely to cause. Bentham, an ethical hedonist, believed the moral rightness or wrongness of an action to
Jeremy Bentham that most of it was state-based, he promptly wrote to the governors of every single state with the same offer. During his lifetime, Bentham's codification efforts were completely unsuccessful. Even today, they have been completely rejected by almost every common law jurisdiction, including England. However, his writings on the subject laid the foundation for the moderately successful codification work of David Dudley Field II in the United States a generation later. Bentham is widely regarded as one of the earliest proponents of animal rights. He argued and believed that the ability to suffer, not the ability to reason, should be