PHLA11H3 Lecture Notes - Lecture 3: John Stuart Mill, Felicific Calculus, Jeremy Bentham
Document Summary
Just because the premises are true, doesn"t mean the conclusion is true. Week 2 lecture #3: tuesday january 12, 2016. If the premises are true, then the conclusion must be true. An airtight argument: the premises are true, the inferences are valid, + 2) --> the conclusion is guaranteed to be true. So, we need to face it: fido is going to die one day. All animals are mortal: therefore, fido is mortal. Fido is an animal: therefore, fido is mortal. This argument is valid, it establishes the conclusion. Driving above the speed limit is illegal: therefore it is wrong to drive above the speed limit. Implicit premise: if some activity is illegal, it is wrong to do it. Don"t know that it is wrong, need the implicit premise below. You ought not to do, obligated not to do them. Not only right, but have an obligation to do it. What makes right actions right and wrong actions wrong.
