Individual #spherical_geometry__sphericalgeometry the geometry of figures on the surface of a sphere
>part of: geometry the pure mathematics of points and lines and curves and surfaces
>part of: pure_mathematics the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness
>part of: mathematics__math__maths__math a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
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