stevevw
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- Nov 4, 2013
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None of that tells us why happiness is morally good. Plus even if we say its reasoned that you should not make people miserable that is only for you. Other people may have different views about what making someone miserable means. They may do things you thing make people miserable and thats just their subjetcive view.Wrong. Reasoning well only requires evaluating an argument's validity, not it's soundness. If I present the argument:
P1 A or B
P2 Not B
You can use proper reasoning to find the conclusion "A is true" even though the letters are meaningless and arbitrary. If I concluded that "B is true" then I would have formed an invalid argument. "A is true" is not an objective fact about the real world. Given the following argument:
P1 I ought to be happy
P2 Making others miserable causes me to be unhappy
You can use proper reasoning to find the conclusion that "I ought not make others miserable" even though P1 is not a true fact. If I concluded that "I ought to make others miserable" then I would have formed an invalid argument.
This is false and I just demonstrated why.
so what about thisProving that something is a true fact of the real world is not the same as using reasoning well. Anyone can use reason well to form valid arguments. To show an objective fact you need soundess as well. Consider:
P1 Either morality is subjective or the moon is made of cheese
P2 The moon is not made of cheese
C Morality is subjective
That is a valid argument. I used reason properly to form it. It doesn't prove a true fact about the real world because P1 is not true, not because I reasoned poorly.
Premise 1: If moral facts do not exist, then epistemic facts do not exist.
Premise 2: Epistemic facts do exist
Conclusion 1: Moral facts do exist.
Premise 3: If moral facts do exist, then realism is true.
Conclusion 2: Moral realism is true.
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