1. Ethics in the news… “Too good to play?” “Nine-year-old Jericho Scott has been banned from pitching in a New Haven, Conn. youth baseball league because he throws so hard that he frightens the other players, according to league officials.”

2. Ethics in the news… “Too good to play?” What are the ethical questions here? What rights are the two sides defending? Is there some middle ground?

3. Art or Child Abuse? Olympia Nelson taken by her mother 2003 Beatrice Hatch taken by Lewis Carroll 1873

4. Evelyn Hatch taken by Lewis Carroll

5. Other 19 th C. artistic photography Taken by Julia Margaret Cameron, British photographer Does it make a difference that a woman took the picture? Does it matter who the child is?

6. Cheaters do prosper, but.......in Canada, of 20,000 first-year students at 11 post- secondary schools, 53 per cent admitted to plagiarism... 73 per cent said they had cheated in high school...

7. PHIL 2525 Contemporary Moral Issues Lec 2 Arguments are among us…

8. Doing philosophy… Articulating: expressing yourself clearly Arguing: supporting your ideas with reasons Analyzing: taking apart in order to understand Synthesizing: gathering together in a meaningful way

9. Aristotle’s Organon Earliest texts on the tools and structure of logical argument

10. Deduction and Induction… Two different ways of thinking and arguing… Deduction begins with general truths and draws conclusions about particulars Induction begins with particulars and draws general truths

11. An argument is... An argument is a series of statements: One is a conclusion The others are evidence

12. The most basic form of deduction: the syllogism Premise ------------ Conclusion All men are mortal Socrates is a man ------------------------- Therefore, Socrates is mortal

13. Categorical syllogism All men are mortal Socrates is a man Therefore, Socrates is mortal All A are B C is an A Therefore, C is a B

14. Not all arguments are so sweet and simple… All A are B C is an A -------------------- Therefore, C is a B Validity? Truth? Soundness? All Catholics are famous The Pope is Catholic ------------------------- Therefore, the Pope is famous

15. Not all arguments are so sweet and simple… All A are B C is an A -------------------- Therefore, C is a B A syllogism can be valid, even when not true The form can be valid, even when the content is false All Catholics are famous The Pope is Catholic ------------------------- Therefore, the Pope is famous

16. What about this? The Earth goes around the sun The moon goes around the Earth ---------------------------------------- The Earth is part of the solar system Validity? Truth? Soundness?

17. What about this? The Earth goes around the sun The moon goes around the Earth ---------------------------------------- The Earth is part of the solar system A syllogism can have all true statements and a true conclusion but still not be sound. Soundness requires both truth and validity

18. Sometimes one of the premises is assumed… Men can’t give birth Therefore, Terry can’t give birth (the assumed premise is…….) Truth? Validity? Soundness?

19. What is the assumed premise here? Abortion is killing people Therefore, abortion is wrong Truth? Validity? Soundness?

20. Validity and Truth = Soundness Validity has to do with the form of the argument -- the shape -- the evidentiary relationship -- the way the parts fit together Truth (or falsity) has to do with the content Soundness requires both validity and truth

21. You might wonder… What is the point of a deductive argument if the form can be valid, but the conclusion false?

22. You might wonder… What is the point of a deductive argument if the form can be valid, but the conclusion false? The deductive argument is important because if the premises can be shown to be true, and the form is valid, then the conclusion must be accepted…

23. Induction is less certain than deduction, but… Knowledge grows from induction in a way that it can’t from deduction. Science is organized, methodical induction Advances in medicine or physics proceed induction by induction

24. Induction The conclusion of an inductive argument always goes beyond the premises…

25. Inductive uncertainty… The 3,000 people who were tested reacted adversely to the new drug Therefore, the new drug should not be approved for general use What is the unstated premise here?

26. Inductive uncertainty

27. Moral Skepticism the idea that there is no right or wrong about moral issues not merely that we don’t or can’t know, but that there is no right or wrong … no objective truth…

28. Protagoras “Man is the measure of all things.”...one opinion can be better than another, but it cannot be truer...

29. Moral Skepticism The Cultural Differences Argument: People in different cultures disagree about moral right and wrong So, therefore there is no knowing

30. Moral Skepticism The Cultural Differences Argument: Example: In some societies, such as among the Eskimos, infanticide is thought to be morally acceptable. In other societies, such as our own, infanticide is thought to be morally odious. -------------------------------------------------------------------------- Therefore, objectively speaking, infanticide is neither right nor wrong. It is merely a matter of opinion that varies from culture to culture.

31. Moral Skepticism The Cultural Differences Argument: Rachels offers an analogous argument…. In some societies, the world is thought to be flat In some societies, the world is thought to be round ------------------------------------------------------------------- Therefore, objectively speaking, the world is neither flat nor round. It is merely a matter of opinion that varies from culture to culture.

32. Moral Skepticism The Provability argument: If there were any such thing as objective truth in ethics, then we should be able to prove that some moral opinions are true and others false. But in fact, we cannot prove which moral opinions are true and which are false. ------------------------------------------------------------------------ Therefore, there is no such thing as objective truth in ethics.

33. Acting for reasons... Practical reasons Moral reasons

34. Individual morality... Making your own choice Making the right choice

35. Social morality... Health, education, same-sex marriage...

36. The Ring of Gyges

37. Good Sport, Bad Sport Ben Johnson 1988 Olympic Games Plato’s moral of the story, the Ring of Gyges: that we would all be corrupted...

38. Cyberbullying Megan Meier killed herself in October 2006. She was thirteen years old.

39. Avoiding the hard work of moral decision-making Think in bumper- stickers... It's Adam and Eve not Adam and Steve. People kill people. Guns don’t kill people.

40. Avoiding the hard work of moral decision-making Rationalize...rationalize

41. Avoiding the hard work of moral decision-making Dogmatic commitment Antidote: Don’t believe everything you think!

42. Avoiding the hard work of moral decision-making Relativism Any moral opinion is as good as the rest....