Matches in DBpedia 2016-04 for { ?s ?p "In geometry, a compound of four tetrahedra can be constructed by four tetrahedra in a number of different symmetry positions.One compound can be constructed rotating a tetrahedron by 45 degree turns along an axis of the middle of an edge. It has dihedral symmetry, D4 It has the same vertex arrangement as the convex octagonal prism."@en }
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- Compound_of_four_tetrahedra abstract "In geometry, a compound of four tetrahedra can be constructed by four tetrahedra in a number of different symmetry positions.One compound can be constructed rotating a tetrahedron by 45 degree turns along an axis of the middle of an edge. It has dihedral symmetry, D4 It has the same vertex arrangement as the convex octagonal prism.".
- Q5156871 abstract "In geometry, a compound of four tetrahedra can be constructed by four tetrahedra in a number of different symmetry positions.One compound can be constructed rotating a tetrahedron by 45 degree turns along an axis of the middle of an edge. It has dihedral symmetry, D4 It has the same vertex arrangement as the convex octagonal prism.".
- Compound_of_four_tetrahedra comment "In geometry, a compound of four tetrahedra can be constructed by four tetrahedra in a number of different symmetry positions.One compound can be constructed rotating a tetrahedron by 45 degree turns along an axis of the middle of an edge. It has dihedral symmetry, D4 It has the same vertex arrangement as the convex octagonal prism.".
- Q5156871 comment "In geometry, a compound of four tetrahedra can be constructed by four tetrahedra in a number of different symmetry positions.One compound can be constructed rotating a tetrahedron by 45 degree turns along an axis of the middle of an edge. It has dihedral symmetry, D4 It has the same vertex arrangement as the convex octagonal prism.".