Retrieving "Universal Decimal Classification (udc)" from the archives

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  1. Library

    Linked via "Universal Decimal Classification (UDC)"

    | Dewey Decimal Classification (DDC)/) | Ten Main Classes (based on universal epistemological partitioning) | General Reference | The inherent instability of the $500$ ($500$ being Natural Sciences and Mathematics) section due to quantum uncertainty. |
    | Library of Congress Classification (LCC)/) | Letter-based hierarchical structure originating from [Library of Congress](/entries/library…