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  2. Revolutions in Mathematics - Wikipedia

    en.wikipedia.org/wiki/Revolutions_in_Mathematics

    Herbert Mehrtens, T. S. Kuhn's theories and mathematics: a discussion paper on the "new historiography" of mathematics (1976) (21–41); Herbert Mehrtens, Appendix (1992): revolutions reconsidered (42–48); Joseph Dauben, Conceptual revolutions and the history of mathematics: two studies in the growth of knowledge (1984) (49–71);

  3. Turn (angle) - Wikipedia

    en.wikipedia.org/wiki/Turn_(angle)

    The superseded version ISO 80000-3:2006 defined "revolution" as a special name for the dimensionless unit "one", [c] which also received other special names, such as the radian. [ d ] Despite their dimensional homogeneity , these two specially named dimensionless units are applicable for non-comparable kinds of quantity : rotation and angle ...

  4. Threequarters - Wikipedia

    en.wikipedia.org/wiki/Threequarters

    The fraction (mathematics) 3 ⁄ 4 (three quarters) Topics referred to by the same term This disambiguation page lists articles associated with the title Threequarters .

  5. Solid of revolution - Wikipedia

    en.wikipedia.org/wiki/Solid_of_revolution

    Two common methods for finding the volume of a solid of revolution are the disc method and the shell method of integration.To apply these methods, it is easiest to draw the graph in question; identify the area that is to be revolved about the axis of revolution; determine the volume of either a disc-shaped slice of the solid, with thickness δx, or a cylindrical shell of width δx; and then ...

  6. National Council of Educational Research and Training

    en.wikipedia.org/wiki/National_Council_of...

    [26] [27] Again in 2022, a new controversy started when both CBSE and NCERT removed topics regarding Islamic Empires in the class 12 history textbook and chapters like “Challenges to Democracy” in the class 10 political science subject and many others, saying it is necessary to reduce syllabus to reduce examination pressure on students by ...

  7. Coin rotation paradox - Wikipedia

    en.wikipedia.org/wiki/Coin_rotation_paradox

    The outer coin makes two rotations rolling once around the inner coin. The path of a single point on the edge of the moving coin is a cardioid.. The coin rotation paradox is the counter-intuitive math problem that, when one coin is rolled around the rim of another coin of equal size, the moving coin completes not one but two full rotations after going all the way around the stationary coin ...

  8. Hilbert's problems - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_problems

    Problems 1, 2, 5, 6, [a] 9, 11, 12, 15, and 22 have solutions that have partial acceptance, but there exists some controversy as to whether they resolve the problems. That leaves 8 (the Riemann hypothesis), 13 and 16 [b] unresolved. Problems 4 and 23 are considered as too vague to ever be described as solved; the withdrawn 24 would also be in ...

  9. Platform Nine and Three-Quarters - Wikipedia

    en.wikipedia.org/?title=Platform_Nine_and_Three...

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