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Feynman, the empirical anarchist.   Share:  
Thrust of argument: Feynman explains: 'How can we tell whether the rules which we 'guess' at are really right if we cannot analyze the game very well? There are, roughly speaking, three ways. First, there may be situations where nature has arranged, or we arrange nature, to be simple and to have so few parts that we can predict exactly what will happen, and thus we can check how our rules work. (In one corner of the board there may be only a few chess pieces at work, and that we can figure out exactly.)

A second good way to check rules is in terms of less specific rules derived from them. For example, the rule on the move of a bishop on a chessboard is that it moves only on the diagonal. One can deduce, no matter how many moves may be made, that a certain bishop will always be on a red square. So, without being able to follow the details, we can always check our idea about the bishop's motion by finding out whether it is always on a red square. Of course it will be, for a long time, until all of a sudden we find that it is on a black square (what happened of course, is that in the meantime it was captured, another pawn crossed for queening, and it turned into a bishop on a black square). That is the way it is in physics. For a long time we will have a rule that works excellently in an over-all way, even when we cannot follow the details, and then some time we may discover a new rule. From the point of view of basic physics, the most interesting phenomena are of course in the new places, the places where the rules do not work - not the places where they do work! That is the way in which we discover new rules.

The third way to tell whether our ideas are right is relatively crude but probably the most powerful of them all. That is, by rough approximation. While we may not be able to tell why Alekhine moves this particular piece, perhaps we can roughly understand that he is gathering his pieces around the king to protect it, more or less, since that is the sensible thing to do in the circumstances. In the same way, we can often understand nature, more or less, without being able to see what every little piece is doing, in terms of our understanding of the game.'
Direction of resistance / implied resistance: What do I mean by empirical anarchist? I mean that Feynman is not bound by forms but is bound by truth.

 

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Removal of resistance: And of course by the acceptance of ignorance as a default. Unification: If you want to learn from Feynman's wisdom, perhaps you should try reading the page which the link in the references below will lead you to, if you click on it - and other pages which that one leads you to.
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http://www.feynmanlectures.caltech.edu/I_02.html

 

 

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Click here to read about Shams Pirani, the editor and chief author on this grid - note, if you can actually prove anything written above wrong, I would gladly, if the proof is sufficient, correct what I've written and what I think - if I could, however, prove your attempted proof wrong, then I would accordingly say so and maintain whatever point of view is completely based on fact and proof.

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