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The philosophers’ fascination with propositions was mirrored in good old-fashioned AI, the AI of John McCarthy, early Marvin Minsky, and Allen Newell, Herbert Simon, and Cliff Shaw. It was the idea that the way to make an intelligent agent was from the top down. You have a set of propositions in some proprietary…
"Excuse me," she said hesitantly, "but what effect do these minor planets have on our behavior and fortunes? I mean, you know, astrological influence?" He looked at her. "None." "None at all?" "No." "But if the planets affect our fortunes—" She stumbled to a stop at the dispassionately scornful look on the pale man's…
“You saved them from You-Know-Who,” McGonagall said. “How should they not care?” Harry looked up at McGonagall and sighed. “I suppose there’s no chance that if I said fundamental attribution error you’d have any idea what that meant.” McGonagall shook her head. “No, but please explain.” “Well...” Harry said, trying to…
The name is symbolic. The first pale roots and shoots of a germinating seed look so tiny and fragile; it's hard to believe it can grow into a big tree. Yet there is so much life force in that seed that the roots can work their way through boulders to reach the water, and the shoot can work its way through cracks in a…
As I've tried to stress, at the heart of science is an essential balance between two seemingly contradictory attitudes - an openness to new ideas, no matter how bizarre or counterintuitive, and the most ruthlessly sceptical scrutiny of all ideas, old and new. This is how deep truths are winnowed from deep nonsense…