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Utilitarianism is a classic book in moral philosophy from the mid 19th Century in which John Stuart Mill defended his version of the classic theory.

Chapter 1: General Remarks[]

Chapter 2: What Utilitarianism Is[]

In this chapter, Mill is primarily concerned with defending utilitarianism from a particular class of objections against Jeremy Bentham's version of the theory. Bentham held that, all else being equal, the pleasure of push-pin (a game that involved attempting to push a pin across a table by pushing on an end) was as good as the pleasure of poetry. This was considered a serious flaw in the theory by people who held that one was clearly superior to the other.

Unlike Bentham, Mill sought to side with these opponents, but to deny the claim that utilitarianism could not handle these facts.

It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied. And if the fool, or the pig, are a different opinion, it is because they only know their own side of the question. The other party to the comparison knows both sides.

For his argument, he claimed that we should trust to the judgment of those who are capable of both pleasures. If those people who are capable of experiencing the unsettled pleasure of a philosopher and the simple pleasure of the fool unanimously - or nearly so - declare the former to be superior, we are as justified as we can be in saying that it is actually superior.

Now it is an unquestionable fact that those who are equally acquainted with, and equally capable of appreciating and enjoying, both, do give a most marked preference to the manner of existence which employs their higher faculties. Few human creatures would consent to be changed into any of the lower animals, for a promise of the fullest allowance of a beast's pleasures; no intelligent human being would consent to be a fool, no instructed person would be an ignoramus, no person of feeling and conscience would be selfish and base, even though they should be persuaded that the fool, the dunce, or the rascal is better satisfied with his lot than they are with theirs.

This is like determining that one coffee is superior to another by asking those who experience both. If those who have done so unanimously or nearly unanimously prefer Brand A (Socrates Unsatisfied) over Brand B (Fool Satisfied), we may conclude that Brand A is better in fact.

The argument fails on a number of levels. The most obvious objection springs from the coffee example itself where the conclusion that actually follows from these facts is simply that most people are so constituted to prefer Brand A over Brand B. It is just as plausible and sensible that people could have been so constituted to prefer Brand B. Neither is actually better than the other in any sense other than being the most widely preferred.

In other words, arguing that Brand A is objectively better than Brand B because more people like Brand A is like arguing that having light skin is better than having dark skin because more people have light skin. After all, what we are really comparing is having a brain structured to like Brand A versus having a brain structured to like Brand B - with no obvious reason why we should treat differences in brain structure different from differences in skin structure.

However, for our purposes, concerning the intrinsic value of pleasure, we need to look at another consideration.

Let us assume that tasters do prefer Brand A over Brand B. Let us assume that it is because Brand A is stronger, or sweeter, or has an almond taste. Perhaps they cannot easily identify the reason for the preference. There is just something in Brand A that causes them to like it more.

Whatever it is that is responsible for this difference, it is not due to the coffeeness. If we took that which made it better out, we would still have coffee. Consequently, we cannot attribute the difference in these two values to coffeeness - the difference belongs to something else.

Similarly, if two pleasures have different value, the difference must not reside in its pleasantness. It is in something that can be removed and we would still have pleasure. It us that which can be removed that provides this quality, not its pleasure.

Desirism has no problem with the idea that things other than pleasure have value. For a person with a desire that P, any state of affairs in which P is true is one that has value for that agent. It is a state that the agent has reason to bring about. P can be anything. An agent could simply like the taste of sweet coffee.

We have reason to reject Mill's account of the different qualities of different characters (the dissatisfied philosopher or the satisfied food) as we do for rejecting his account applied to the different qualities of different coffees.

But how does desirism evaluate the dissatisfied philosopher in relation to the satisfied fool?

In making such an evaluation, David Hume provides us with a better method than Mill.

Mill would have us look only at the quality of pleasure experienced by the philosopher and the fool and judge the first superior.

Hume would have us ask a broader set of questions. He would consider Mill's concern with the pleasure provided to the philosopher or the fool. However, he would also ask whether the state is useful to the agent - will it help the agent to recognize opportunities and avoid strife? He would ask which is more useful to others. An agent can go to the philosopher, we may assume, for wisdom and advice. Where philosophers are more useful, people generally have reason to offer greater esteem to those who prefer the philosophical arts to promote those interests in the population. Whereas, if the fool tends to be incapable of helping - and is sometimes a risk to others due to his inability to understand the world around him - people would have reason to view those traits as worthy of condemnation.

To be fair, Mill brings these other considerations into play as well. He is, after all, a utilitarian, and ultimately concerned with the greatest good for the greatest number. He falsely believes that this greated good includes a greater intrinsic value found in some pleasures and not others. However, this does not mean that he is going to exclude other goods in the final analysis.

That Mill is wrong in this one area - in the claim that value can be found in the different qualities of pleasure rather than in the objective satisfaction of desire - does not discredit the whole of his theory.

Chapter 3: Of the Ultimate Sanction of the Principle of Utility[]

Chapter 4: Of what Sort of Proof the Principle of Utility is Susceptible[]

Chapter 5: On the Connection between Justice and Utility[]