04 General Principles

04 General Principles - -Laws of mathematics-Fundamentals...

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General Principles What does Russell count as general principles of deduction (a priori) and induction (a posteriori)? o Induction- whatever’s true in the light of our scientific deduction o Deduction - Laws of logic Identity- everything in itself is identical Contradiction- an object cannot have the property X and not X; they cannot both be true Excluded middle- for every proposition it’s either true or false
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Unformatted text preview: -Laws of mathematics-Fundamentals of ethics • Russell claims that the fundamental properties of ethics are true a priori. Why does he think it’s true? • The relation of balance is what is a priori. We should prefer good over bad. Russell’s talking of the most basic values in a prescriptive nature (how we should act) than descriptive (how we do act)....
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