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Partial Ordering

Definition

Partial ordering refers to a relationship between elements in a set where some pairs of elements are ordered, but other pairs may not be comparable. In the context of distributed systems and blockchains, this means that while the sequence of certain events or transactions is definitive, the exact timing or relative order of other independent events may not be globally fixed. This contrasts with total ordering, where every element has a precise position. It reflects the asynchronous nature of distributed ledger operations.