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  2. Cube rule - Wikipedia

    en.wikipedia.org/wiki/Cube_rule

    Both in theory and in practice, the cube rule is only applicable in a two-party system. In a multi-party democracy operating under the first-past-the-post system, the cube law invariably fails, often leading to capricious results.

  3. Straightedge and compass construction - Wikipedia

    en.wikipedia.org/wiki/Straightedge_and_compass...

    Doubling the cube Doubling the cube is the construction, using only a straightedge and compass, of the edge of a cube that has twice the volume of a cube with a given edge. This is impossible because the cube root of 2, though algebraic, cannot be computed from integers by addition, subtraction, multiplication, division, and taking square roots.

  4. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted i, called the imaginary unit and satisfying the equation ; every complex number can be expressed in the form , where a and b are real numbers. Because no real number satisfies the above equation, i was called an imaginary number by René Descartes. For the complex ...

  5. McCumber cube - Wikipedia

    en.wikipedia.org/wiki/McCumber_cube

    The McCumber Cube. The McCumber Cube is a model for establishing and evaluating information security (information assurance) programs. This security model, created in 1991 by John McCumber, is depicted as a three-dimensional Rubik's Cube -like grid. The concept of this model is that, in developing information assurance systems, organizations ...

  6. Doubling the cube - Wikipedia

    en.wikipedia.org/wiki/Doubling_the_cube

    Doubling the cube, also known as the Delian problem, is an ancient [a][1]: 9 geometric problem. Given the edge of a cube, the problem requires the construction of the edge of a second cube whose volume is double that of the first.

  7. Menger sponge - Wikipedia

    en.wikipedia.org/wiki/Menger_sponge

    Menger sponge. An illustration of M4, the sponge after four iterations of the construction process. In mathematics, the Menger sponge (also known as the Menger cube, Menger universal curve, Sierpinski cube, or Sierpinski sponge) [1][2][3] is a fractal curve. It is a three-dimensional generalization of the one-dimensional Cantor set and two ...

  8. General Scholium - Wikipedia

    en.wikipedia.org/wiki/General_Scholium

    Rejection of Cartesian vortices In the first paragraph, Newton attacks René Descartes ' model of the Solar System. Descartes and his supporters were followers of mechanical philosophy, a form of natural philosophy popular in the 17th century which maintained that nature and natural beings act similar to machines. In his book The World, Descartes suggests that the creation of the solar system ...

  9. Descartes Systems Group - Wikipedia

    en.wikipedia.org/wiki/Descartes_Systems_Group

    The Descartes Systems Group Inc. (commonly referred to as Descartes) is a Canadian multinational technology company specializing in logistics software, supply chain management software, and cloud -based services for logistics businesses.