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• 14:05, 5 July 2023 Admin talk contribs deleted page Surface (topology) (content was: "{{short description|Two-dimensional manifold}} {{more footnotes|date=December 2015}} thumb|300px|right|An [[open surface with ''x''-, ''y''-, and ''z''-contours shown.]] {{broader|Surface (mathematics)}} In the part of mathematics referred to as topology, a '''surface''' is a two-dimensional manifold. Some surfaces arise as the boundaries of three-dimensional solid figures; for example, the sphere i...")