Equipollence (geometry): Geometry, Affine Space, Real Number, Mathematics

Real Line: Line (Geometry), Point Number, Space (Mathematics), Euclidean Space, Dimension

Affine space: Mathematics, geometry, Euclidean space, Linear subspace, combination, independence, Line ......

Transformation Geometry: (Geometry), Mathematics, Function, Algebraic, Geometry, Linear Map, Affine Transformation, Rotation

Triangle Inequality: Triangle, Mathematics, Euclidean Geometry, Real Number, Space, Mathematical Analysis