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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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abstraction, abstract entity go
a general concept formed by extracting common features from specific examples
a general concept formed by extracting common features from specific examples
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mathematical space, topological space go
(mathematics) any set of points that satisfy a set of postulates of some kind
(mathematics) any set of points that satisfy a set of postulates of some kind
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metric space go
a set of points such that for every pair of points there is a nonnegative real number called their distance that is symmetric and satisfies the triangle inequality
a set of points such that for every pair of points there is a nonnegative real number called their distance that is symmetric and satisfies the triangle inequality
Hilbert space
a metric space that is linear and complete and (usually) infinite-dimensional
a metric space that is linear and complete and (usually) infinite-dimensional
noun.group
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