Minsky takes issue with the view that machines must think with perfect logic, noting that logical accounts of the internal workings of a machine are not the same as accounts of the future actions of that machine. (NB: This reminds me a lot of Braitenberg.) Minsky argues that we only use logic to think after the fact, to "clean up" accounts of how problems were solved, and that logic does not explain much about how we think. (NB: This last point reflects the book's strong emphasis on control structure.)
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