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The Unique Property Reference Number (UPRN) is a unique number (a geocode) for every addressable location—e.g., a building, a bus stop, a post box, a feature in the landscape, or a defibrillator—in Great Britain. [1] Over 42 million locations have UPRNs, which can be found in Ordnance Survey's AddressBase databases. [1]
For example, a covering map has a property of unique local lifting of paths to a given sheet; the uniqueness is because the fibers of a covering map are discrete spaces. The homotopy lifting property will hold in many situations, such as the projection in a vector bundle, fiber bundle or fibration, where there need be no unique way of lifting.
There is an essentially unique two-dimensional, compact, simply connected manifold: the 2-sphere. In this case, it is unique up to homeomorphism. In the area of topology known as knot theory, there is an analogue of the fundamental theorem of arithmetic: the decomposition of a knot into a sum of prime knots is essentially unique. [5]
The Unique and Its Property. The Ego and Its Own (German: Der Einzige und sein Eigentum), also known as The Unique and Its Property, [1] [2] [3] is an 1844 work by German philosopher Max Stirner.
Formally, a unique factorization domain is defined to be an integral domain R in which every non-zero element x of R which is not a unit can be written as a finite product of irreducible elements p i of R: x = p 1 p 2 ⋅⋅⋅ p n with n ≥ 1. and this representation is unique in the following sense: If q 1, ..., q m are irreducible elements ...
This week’s top-selling property in Fall River is a unique two-for-one that sold for $825,000. Situated near Kennedy Park, 514 Bradford Avenue is a rare find in the area.
Universal property of the product; Whether a product exists may depend on or on and . If it does exist, it is unique up to canonical isomorphism, because of the universal property, so one may speak of the product.
Universal properties define objects uniquely up to a unique isomorphism. [1] Therefore, one strategy to prove that two objects are isomorphic is to show that they satisfy the same universal property. Universal constructions are functorial in nature: if one can carry out the construction for every object in a category C then one obtains a ...