# No-cloning implies unalterability of the past

@article{Bolotin2019NocloningIU, title={No-cloning implies unalterability of the past}, author={Arkady Bolotin}, journal={arXiv: Quantum Physics}, year={2019} }

A common way of stating the non-cloning theorem -- one of distinguishing characteristics of quantum theory -- is that one cannot make a copy of an arbitrary unknown quantum state. Even though this theorem is an important part of the ongoing discussion of the nature of a quantum state, the role of the theorem in the logical-algebraic approach to quantum theory has not yet been systematically studied. According to the standard point of view (which is in line with the logical tradition), quantum…

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