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<p>the physical basis of classical information.</p>

<p>A central principle is the interoperability principle: the combination of two information media is itself an information medium. This requires certain physical interactions to exist in nature and explains why information can be transferred between different physical substrates regardless of their specific physical details.</p>

<p>The theory introduces superinformation media as information media on which certain additional tasks are impossible -- specifically, it is impossible to copy all information-carrying</p><p>
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