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decision theory
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Definition:
A decision theory is some theory on how to make a rational decision when faced with a number of possible choices and without knowing for sure what the consequences of each choice will be. Usually, a decision theory involves assigning various probabilities to each of the choices in an effort to determine which one offers the best chances at the best results. One of the problems inherent in any decision theory is that it is difficult to determine just what counts as a "rational" decision.

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What are Ethics and Morality?
Ethics is the formal study of moral standards and conduct. For this reason, the study of ethics is also often called "moral philosophy." What is good? What is evil? How should I behave - and why? How should I balance my needs against the needs of others?

What is Philosophy?
What is philosophy? Is there any point in studying philosophy, or is it a useless subject? What are the different branches of philosophy - what's the difference between aestheitcs and ethics? What's the difference between metaphysics and epistemology?

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