This article is about a non-fiction entity related to the Astronist belief system or the Astronic tradition.
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Coproprietorship - in proprietology, the instance in which two entities hold joint proprietorship, or ownership, over something, the first occurrence of which was the coproprietorship between the philosopher, Cometan, and The Institution of The Philosophy of Millettism over the ownership of the contents of The Grand Centrality, especially The Omnidoxy and its components parts.