Henri Poincaré, The evolution of laws (5)

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I raised this question incidentally only; it deserves to be thought about; but I do not want to be dragged too far from my subject. Is it possible that the contradictions of geologists never lead scientists to conclude the evolution … Read More

Henri Poincaré, The evolution of laws (4)

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Let me digress here. We have just seen that the geologist possesses an instrument which the mathematician misses and which enables him to conclude from the present to the past. Why does the same instrument not allow us to conclude … Read More