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And so the net is the basic thing we have for getting hold of the wiggly world. So if you want to get hold of this wiggle, you've got to put a net over it. A net is something regular. And I can number the holes in a net. So many holes up, so many holes across. And if I can number these holes, I can count exactly where each wiggle is, in terms of a hole in that net. And that's the beginning of calculus, the art of measuring the world. But in order to do that, I've got to break up the wiggle into bits. I've got to call this a specific bit, and this the next bit of the wiggle, and this the next bit, and this the next bit of the wiggle. And so these bits are things or events. Bits of wiggles. Which I mark out in order to talk about the wiggle. In order to measure and therefore in order to control it. But in nature, in fact, in the physical world, the wiggle isn't bitted.
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