Assertion: dimensional sphere | /r/HasProperty | circle
Facets:
Source sentences:
text: Unfortunately, geometers and topologists adopt incompatible conventions for the meaning of " -sphere," with geometers referring to the number of coordinates in the underlying space ("thus a two-dimensional sphere is a circle," Coxeter 1973, p. 125) and topologists referring to the dimension of the surface itself ("the -dimensional sphere is defined to be the set of all points in satisfying ," Hocking and Young 1988, p. 17; "the -sphere is ," Maunder 1997, p. 21).