PHIL 101 Lecture Notes - Lecture 17: Incompatibilism, Compatibilism
Morality
● Suppose there is a person who believes there is doing the right thing and the wrong
thing, and there are moral obligations
● Certain actions are blameworthy, some are justifiable
● No cheating - suppose someone cheated, they violated the moral maxim
● If you blame someone for cheating, you believe in free will
● If you say to someone - you shouldn’t have cheated - you are presupposing they could
have done otherwise at a previous point in time
● How can I blame you for cheating if you could not have done otherwise?
● Pg. 395
● Morality presupposes free will
What is free will?
● Reply 1: You have free will if you could have done otherwise if you could do otherwise
than you did. An alternative course of action than the one you took. To be able to decide
between alternative courses of action.
● Reply 2 (Hume): To do what you will to do. An action that is preceded by volition/an act
of will.
● Pg. 413
● You don’t have to be free with regard to everything in order to have free will. Ex. staying
up without ever sleeping. Ever. - this is impossible and out of our power. Or Dying. We
do not have freedom with regard to that.
Determinism
● Hume’s Definition
○ Pg. 407
○ Matter acted upon by laws of nature
○ Events or effects are the result of the laws of nature acting on matter.
● Modern Definition
○ The future is uniquely determined by the past
○ There is one way the future can go, and it is already determined by how the past
happened
Can we have determinism and free will at the same time?
● Is free will compatible with Determinism?
● Compatibilism (Hume); You can consistently have D and FW
● Incompatibilism; You cannot consistently have D and FW
Hume
● Pg. 408
● Free will vs. voluntary action
● If you can establish a constant conjunction between voluntary action and the operations
of the mind you will have established determinism in human behavior
● The same events follow from the same causes
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Document Summary
Suppose there is a person who believes there is doing the right thing and the wrong thing, and there are moral obligations. Certain actions are blameworthy, some are justifiable. No cheating - suppose someone cheated, they violated the moral maxim. If you blame someone for cheating, you believe in free will. If you say to someone - you shouldn"t have cheated - you are presupposing they could have done otherwise at a previous point in time. Reply 1: you have free will if you could have done otherwise if you could do otherwise than you did. An alternative course of action than the one you took. To be able to decide between alternative courses of action. Reply 2 (hume): to do what you will to do. An action that is preceded by volition/an act of will. You don"t have to be free with regard to everything in order to have free will. This is impossible and out of our power.