In mathematics, abuse of notation occurs when an author uses a mathematical notation in a way that is not entirely formally correct, but which might help to simplify the exposition or to suggest the correct intuition, while possibly minimizing errors and confusion at the same time. A closely related concept is abuse of language or abuse of terminology, where a term — rather than a notation — is used informally.
In mathematics, abuse of notation occurs when an author uses a mathematical notation in a way that is not entirely formally correct, but which might help to simplify the exposition or to suggest the correct intuition, while possibly minimizing errors and confusion at the same time. A closely related concept is abuse of language or abuse of terminology, where a term — rather than a notation — is used informally.
Source: Wikipedia "Abuse of notation" · CC BY-SA 4.0
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