Example image of eyePlorer eyePlorer map for 'Duality (projective geometry)': Geometry Incidence (geometry) Projective plane Transformation (geometry) Projective space Hyperplane Dot product Linear subspace Ordered pair Abscissa Coordinate system Ordinate Slope Y-intercept Collinearity Concurrent lines If and only if Bijection Mathematical model Modular arithmetic Real projective plane Great circle Cross product Line at infinity Equator Cube Dodecahedron Dual polyhedron Octahedron Solid geometry Isomorphism Homogeneous coordinates Reciprocal Matrix (mathematics) Projective transformation Eigenvalue, eigenvector and eigenspace Incidence matrix Incidence structure Q.E.D. Inverse relation Dual curve Hyperplane section Pascal's theorem Quadric (projective geometry) Complete quadrangle Pappus's hexagon theorem Triality Brianchon's theorem K-set (geometry) Plücker formula
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