The toys of Dionysos

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The toys of Dionysos


They are polyhedrons whose faces are convex regular polygons equal to each other. There are only five regular types of polyhedrons, which are called "Platonic Solids" although they were known since the time of Pythagoras. Plato (in the dialogues of "Timaeos") considered them as primary structural elements for the creation of world and are the following: a) the regular tetrahedron (with 4 vertices, 4 faces and 6 edges) which symbolised fire, b) the regular hexahedron or cube (with 8 vertices, 6 faces and 12 edges) which symbolised the Earth, c) the regular octahedron (with 6 vertices, 8 faces and 12 edges) which symbolised air, d) the regular dodecahedron (with 20 vertices, 12 faces and 30 edges) which symbolised the ether and e) the regular icosahedron (with 12 vertices, 20 faces and 30 edges) which symbolised water.