Regular octahedron
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What links here
M. C. Escher
Martin Gardner
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Mirror
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Mutual recursion
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Lithography
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Labyrinth
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Kepler–Poinsot polyhedron
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Koan
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Kurt Gödel
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June 17
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Cosmicomics
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History of painting
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Fractal
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Dimethyltryptamine
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Drawing
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Cube
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Chuck D
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Ambiguity
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List of Dutch people
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Dune (novel)
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Gestalt psychology
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Mosaic
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Impossible object
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Penrose triangle
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Optical illusion
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Gödel, Escher, Bach
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Strange loop
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Leeuwarden
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Printmaking
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Möbius strip
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1898
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1972
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Alhambra
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The Hague
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The Matrix
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Symmetry group
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List of science fiction and fantasy artists
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Roger Penrose
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Recursion
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Paradox
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Maurits Escher
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