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Ethics for A-Level

Mark Dimmock
Andrew Fisher


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1. Philosophy, Ethics and Thinking

1Philosophy is hard. Part of the reason it can feel so annoying is because it seems like it should not be hard. After all, philosophy just involves thinking, and we all think — thinking is easy! We do it without… well, thinking. Yet philosophy involves not just thinking, but thinking well. Of course it is true that we all think. But thinking, like football, maths, baking and singing is something we can get better at. Unfortunately, people rarely ask how. If you do not believe us, then just open your eyes. Society might be a whole lot better off if we thought well, more often.

2Admittedly, doing A-Level Philosophy will not give you the ability to solve the problems of the world; we are not that naive! But if you engage with philosophy, then you will be developing yourself as a thinker who thinks well. This is why A-Level Philosophy is useful not merely to would-be philosophers, but also to any would be thinkers, perhaps heading off to make decisions in law, medicine, structural engineering — just about anything that requires you to think effectively and clearly.

3However, if Philosophy is hard, then Ethics is really hard. This might seem unlikely at first glance. After all, Ethics deals with issues of right and wrong, and we have been discussing “what is right” and “what is wrong” since we were children. Philosophy of Mind, on the other hand, deals with topics like the nature of consciousness, while Metaphysics deals with the nature of existence itself. Indeed, compared to understanding a lecture in the Philosophy of Physics, arguing about the ethics of killing in video games might seem something of a walk in the park. This is misleading, not because other areas of philosophy are easy, but because the complexity of ethics is well camouflaged.

2. Respecting Ethics

4When you study A-Level Ethics, and you evaluate what is right and wrong, it can be tempting and comforting to spend time simply defending your initial views; few people would come to a debate about vegetarianism, or abortion, without some pre-existing belief. If you are open-minded in your ethical approach then you need not reject everything you currently believe, but you should see these beliefs as starting points, or base camps, from which your enquiry commences.

5For example, why do you think that eating animals is OK, or that abortion is wrong? If you think that giving to charity is good, what does “good” mean? For true success, ethics requires intellectual respect. If you might think that a particular position is obviously false, perhaps take this reaction as a red flag, as it may suggest that you have missed some important step of an argument — ask yourself why someone, presumably just as intellectually proficient as yourself, might have once accepted that position.

6If you are thinking well as an ethicist, then you are likely to have good reasons for your views, and be prepared to rethink those views where you cannot find such good reasons. In virtue of this, you are providing justification for the beliefs you have. It is the philosopher’s job, whatever beliefs you have, to ask why you hold those beliefs. What reasons might you have for those beliefs?

  • 1 For an excellent introduction to good and bad ways of thinking we recommend John Hospers, ‘An Intr (...)

7For example, imagine the reason that you believe it is OK to eat meat is that it tastes nice. As philosophers we can say that this is not a particularly good reason. Presumably it might taste nice to eat your pet cat, or your neighbour, or your dead aunt; but in these cases the “taste justification” seems totally unimportant! The details of this debate are not relevant here (for more on this topic see Chapter 14). The point is that there are good and bad reasons for our beliefs and it is the philosopher’s job to reveal and analyse them.1

3. The A-Level Student

8Philosophy is more than just fact-learning, or a “history of ideas”. It is different from chemistry, mathematics, languages, theology etc. It is unique. Sure, it is important to learn some facts, and learn what others believed, but a successful A-Level student needs to do more than simply regurgitate information in order to both maneuverer past the exam hurdles and to become a better ethicist.

9One aim of this book is to aid you in engaging with a living discipline. Philosophy, and in particular Ethics, is a live and evolving subject. When you study philosophy you are entering a dialogue with those that have gone before you. Learning about what various philosophers think will enable you to become clearer about what you think and add to that evolving dialogue.

10You will notice that in this book we have not included “hints and tips boxes”, or statements of biography concerning the scholars. Although these things have their place, we did not want the reader to think that they have learnt philosophy if they know what is in the boxes.

11In reality, university Philosophy departments often work with first year students to lose some of their less academically successful habits. Why? Well, one of the authors has taught ethics at university for many years. Philosophy students often say something like this: “I thought we’d do hard stuff at University! I did Utilitarianism at A-Level, can I have something different to study, please?”

12This statement reveals a whole host of things. Most important is the view that to “do” ethics is to remember information. That is why a student can say they have “done Utilitarianism”. They have learnt some key facts and arguments. But philosophy is not like this. In order to understand philosophy you need to be authentic with yourself and to ask what you think, using this as a guide to critically analyse the ideas learned and lead yourself to your own justifiable conclusion. Philosophy is a living and dynamic subject that we cannot reduce to a few key facts, or a simplistic noting of what other people have said.

13Some people distinguish between “ethics” and “morality”. We do not. For us, nothing hangs on the difference between them. In this book you will see us switching between the terms, so do not get hung up on this distinction.

4. Doing Ethics Well: Legality versus Morality

14Moral questions are distinct from legal questions, although, of course, moral issues might have some implications for the law. That child labour is morally unacceptable might mean that we have a law against it. But it is unhelpful to answer whether something is morally right or wrong by looking to the laws of the land. It is quite easy to see why. Imagine a country which has a set of actions which are legally acceptable, but morally unacceptable or vice versa — the wellused example of Nazi Germany brings to mind this distinction. Therefore, in discussions about ethics do be wary of talking about legal issues. Much more often than not, such points will be irrelevant.

5. Doing Ethics Well: Prudential Reasons versus Moral Reasons

15Something to keep separate are moral reasons and prudential reasons. Prudential reasons relate to our personal reasons for doing things.

16Consider some examples. When defending slavery, people used to cite the fact that it supported the economy as a reason to keep it. It is true, of course, that this is a reason; it is a prudential reason, particularly for those who benefited from slavery such as traders or plantation owners. Yet, such a reason does not help us with the moral question of slavery. We would say “OK, but so what if it helps the economy! Is it right or wrong?”

6. Doing Ethics Well: Prescriptive versus Descriptive Claims

17Another important distinction is between descriptive and prescriptive claims. This is sometimes referred to as the “is/ought” gap. We return to this in later chapters, especially Chapter 6. But it is such a common mistake made in general ethical chat that we felt the need to underline it.

18Consider some examples. Imagine the headline: “Scientists discover a gene explaining why we want to punch people wearing red trousers”. The article includes lots of science showing the genes and the statistical proof. Yet, none of this will tells us whether acting violently towards people wearing red trousers is morally acceptable. The explanation of why people feel and act in certain ways leaves it open as to how people morally ought to act.

19Consider a more serious example, relating to the ethics of eating meat. Supporters of meat-eating often point to our incisor teeth. This shows that it is natural for us to eat meat, a fact used as a reason for thinking that it is morally acceptable to do so. But this is a bad argument. Just because we have incisors does not tell us how we morally ought to behave. It might explain why we find it easy to eat meat, and it might even explain why we like eating meat. But this is not relevant to the moral question. Don’t you believe us? Imagine that dentists discover that our teeth are “designed” to eat other humans alive. What does this tell us about whether it is right or wrong to eat humans alive? Nothing.

7. Doing Ethics Well: Thought-Experiments

20You will also be aware, especially in reading this book, of the philosophical device known as a “thought experiment”. These are hypothetical, sometimes fanciful, examples that are designed to aid our thinking about an issue.

21For example, imagine that you could travel back in time. You are pointing a gun at your grandfather when he was a child. Would it be possible for you to pull the trigger? Or, imagine that there is a tram running down a track. You could stop it, thereby saving five people, by throwing a fat man under the tracks. Is this the morally right thing to do?

22The details here are unimportant. What is important, is that it is inadequate to respond: “yes, but that could never happen!” Thought experiments are devices to help us to think about certain issues. Whether they are possible in real life does not stop us doing that thinking. Indeed, it is not just philosophy that uses thought experiments. When Einstein asked what would happen if he looked at his watch near a black hole, this was a thought experiment. In fact, most other subjects use thought experiments. It is just that philosophy uses them more frequently, and they are often a bit more bizarre.

8. Doing Ethics Well: Understanding Disagreement

23Finally, we want to draw your attention to a common bad argument as we want you to be aware of the mistake it leads to. Imagine that a group of friends are arguing about which country has won the most Olympic gold medals. Max says China, Alastair says the US, Dinh says the UK. There is general ignorance and disagreement; but does this mean that there is not an answer to the question of “which country has won the most Olympic gold medals?” No! We cannot move from the fact that people disagree to the conclusion that there is no answer. Now consider a parallel argument that we hear far too often.

24Imagine that you and your friends are discussing whether euthanasia is morally acceptable. Some say yes, the others say no. Each of you cite how different cultures have different views on euthanasia. Does this fact — that there is disagreement — mean that there is no answer to the question of whether euthanasia is morally acceptable? Again, the answer is no. That answer did not follow in the Olympic case, and it does not follow in the moral one either. So just because different cultures have different moral views, this does not show, by itself, that there is no moral truth and no answer to the question.

25If you are interested in the idea that there is a lack of moral truth in ethics, then Moral Error Theorists defend exactly this position in the chapter on Metaethics.

You will not be assessed, by either AQA or OCR, on the core content of this chapter. If any of the content is specifically relevant to assessment, it is discussed in proper detail in the following chapters.
Still, we hope that we have signposted some errors to avoid when it comes to thinking about ethics, and some strategies to consider instead. It may be worth occasionally revisiting the ideas discussed here during your studies, to test your own lines of argument and evaluate how “thinking well” is progressing for you. This would not be a weakness! Both the authors, and any honest philosopher, can reassure you — philosophy is hard! We hope you find this textbook useful and rewarding in helping you on your own journey through Ethics.


  1. How would you explain what philosophy is to someone?
  2. Do you think philosophy is important? If yes, why? If no, why?
  3. List some ethical questions.
  4. Can you figure out if your questions are Normative, Applied, or Metaethical?
  5. Is there a link be between Applied, Normative and Metaethics? Which type of ethics do you think it would be best to study first, and which last?
  6. What is the difference between prudential and moral reasons?
  7. What is meant by the “is/ought” gap? Why is it important to remember when discussing ethical questions?
  8. What role, if any, does science have in ethical arguments?
  9. What are thought experiments? Why might they be useful to philosophers?
  10. “Because there are so many different views on moral issues there cannot be any moral truth”. What do you think of this line of argument?



Hospers, John, An Introduction to Philosophical Analysis, 4th ed. (New York and London: Routledge, 1997),


1 For an excellent introduction to good and bad ways of thinking we recommend John Hospers, ‘An Introduction to Philosophical Analysis’.


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