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  2. Limit of a function - Wikipedia

    en.wikipedia.org/wiki/Limit_of_a_function

    This definition allows a limit to be defined at limit points of the domain S, if a suitable subset T which has the same limit point is chosen. Notably, the previous two-sided definition works on int ⁡ S ∪ iso ⁡ S c , {\displaystyle \operatorname {int} S\cup \operatorname {iso} S^{c},} which is a subset of the limit points of S .

  3. Central limit theorem - Wikipedia

    en.wikipedia.org/wiki/Central_limit_theorem

    According to Le Cam, the French school of probability interprets the word central in the sense that "it describes the behaviour of the centre of the distribution as opposed to its tails". [49] The abstract of the paper On the central limit theorem of calculus of probability and the problem of moments by Pólya [48] in 1920 translates as follows.

  4. Central angle - Wikipedia

    en.wikipedia.org/wiki/Central_angle

    Angle AOB is a central angle. A central angle is an angle whose apex (vertex) is the center O of a circle and whose legs (sides) are radii intersecting the circle in two distinct points A and B. Central angles are subtended by an arc between those two points, and the arc length is the central angle of a circle of radius one (measured in radians). [1]

  5. Central Asia - Wikipedia

    en.wikipedia.org/wiki/Central_Asia

    Central Asia has been divided, redivided, conquered out of existence, and fragmented time and time again. Central Asia has served more as the battleground for outside powers than as a power in its own right. Central Asia had both the advantage and disadvantage of a central location between four historical seats of power.

  6. Central force - Wikipedia

    en.wikipedia.org/wiki/Central_force

    In classical mechanics, a central force on an object is a force that is directed towards or away from a point called center of force. [a] [1]: 93 = = | | ^ where is the force, F is a vector valued force function, F is a scalar valued force function, r is the position vector, ||r|| is its length, and ^ = / ‖ ‖ is the corresponding unit vector.

  7. Orbital period - Wikipedia

    en.wikipedia.org/wiki/Orbital_period

    The synodic period is the amount of time that it takes for an object to reappear at the same point in relation to two or more other objects. In common usage, these two objects are typically Earth and the Sun. The time between two successive oppositions or two successive conjunctions is also equal to the synodic period. For celestial bodies in ...

  8. Democracy - Wikipedia

    en.wikipedia.org/wiki/Democracy

    Bikol Central; Български ... Under a minimalist definition of democracy, ... the prime minister may be dismissed by the legislature at any point in time for ...

  9. Definitions of fascism - Wikipedia

    en.wikipedia.org/wiki/Definitions_of_fascism

    What constitutes a definition of fascism and fascist governments has been a complicated and highly disputed subject concerning the exact nature of fascism and its core tenets debated amongst historians, political scientists, and other scholars ever since Benito Mussolini first used the term in 1915.