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Updated: January 10, 2026
The whole mechanical theory is based upon a law which is not strictly biological but belongs to science in general—the law of the conservation of matter and energy. This was first recognised by Kant as a general rational concept in his “Critique” and in the “Grundlegung der Metaphysik der Naturwissenschaft,” and was transferred by Robert Mayer and Helmholtz to the domain of natural science.
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