Generalised Metric
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, the concept of a generalised metric is a generalisation of that of a metric, in which the distance is not a real number but taken from an arbitrary ordered field. In general, when we define metric space the distance function is taken to be a real-valued function. The real numbers form an ordered field which is Archimedean and order complete. So, the metric spaces have some nice properties like: in a metric space compactness, sequential compactness and ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In mathematics, the concept of a generalised metric is a generalisation of that of a metric, in which the distance is not a real number but taken from an arbitrary ordered field. In general, when we define metric space the distance function is taken to be a real-valued function. The real numbers form an ordered field which is Archimedean and order complete. So, the metric spaces have some nice properties like: in a metric space compactness, sequential compactness and countable compactness are equivalent etc etc.
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