Individual #geometry  the pure mathematics of points and lines and curves and surfaces
  >part:  elementary_geometry  non-Euclidean_geometry  spherical_geometry  analytic_geometry  plane_geometry  solid_geometry  projective_geometry
  >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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