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Pointless topology
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==See also== * [[Heyting algebra]]. Frames turn out to be the same as [[complete Heyting algebra|complete Heyting algebras]] (even though frame homomorphisms need not be Heyting algebra homomorphisms.) * [[Complete Boolean algebra]]. Any complete Boolean algebra is a frame (it is a spatial frame if and only if it is atomic). * Details on the relationship between the category of topological spaces and the category of locales, including the explicit construction of the equivalence between [[sober space]]s and spatial locales, can be found in the article on [[Stone duality]]. * [[Whitehead's point-free geometry]]. *[[Mereotopology]].
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