| A
digression on �info theory� |
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| Shannon�s
three levels of problems: |
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| w | accurate
transmission � technical |
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| w | precise
meaning � semantic |
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| w | effective
influence � behavioral |
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| To
the extent they apply, we will focus more |
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| on
the middle, semantic level, but we will |
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| need
to understand something about all three. |
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