query: The concurrency of the heights of a tetrahedron
positive_passages.docid: 151326
positive_passages.text: Concurrency of the heights of a tetrahedron with opposite edges perpendicular.
negative_passages.docid: 126060
negative_passages.text: Proving that a Euler Circuit has a even degree for every vertex
negative_passages.docid: 141010
negative_passages.text: Computing $n$-th external power of standard simplectic form
negative_passages.docid: 103081
negative_passages.text: Square-tiling a torus
negative_passages.docid: 26878
negative_passages.text: Primes between consecutive cubes
negative_passages.docid: 15003
negative_passages.text: Pythagorean Quadruples:
negative_passages.docid: 49158
negative_passages.text: Multiplicity of eigenvalues
negative_passages.docid: 115085
negative_passages.text: number of vertices in a self-complemntary graph
negative_passages.docid: 31854
negative_passages.text: Proof - raising adjacency matrix to $n$-th power gives $n$-length walks between two vertices
negative_passages.docid: 99677
negative_passages.text: Generalization of Cayley-Hamilton
negative_passages.docid: 69679
negative_passages.text: Geometric interpretation for sum of fourth powers
negative_passages.docid: 32260
negative_passages.text: Alternating Sum of Cubes
negative_passages.docid: 32812
negative_passages.text: Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?
negative_passages.docid: 158162
negative_passages.text: Finding the volume of the tetrahedron.
negative_passages.docid: 155459
negative_passages.text: How to find out the solid angle subtended by a tetrahedron at its vertex?
negative_passages.docid: 86826
negative_passages.text: Almost a Vandermonde matrix
negative_passages.docid: 37352
negative_passages.text: The Gaussian and Mean Curvatures of a Parallel Surface