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  2. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    The use of LaTeX in a piped link or in a section heading does not appear in blue in the linked text or the table of content. Moreover, links to section headings containing LaTeX formulas do not always work as expected. Finally, having many LaTeX formulas may significantly increase the processing time of a page.

  3. List of logic symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_logic_symbols

    Corner quotes, also called “Quine quotes”; for quasi-quotation, i.e. quoting specific context of unspecified (“variable”) expressions; [4] also used for denoting Gödel number; [5] for example “⌜G⌝” denotes the Gödel number of G. (Typographical note: although the quotes appears as a “pair” in unicode (231C and 231D), they ...

  4. Sigmoid function - Wikipedia

    en.wikipedia.org/wiki/Sigmoid_function

    The hierarchy includes at present three models, with 1, 2 and 3 parameters, if not counting the maximal number of nuclei N max, respectively—a tanh 2 based model called α 21 [11] originally devised to describe diffusion-limited crystal growth (not aggregation!) in 2D, the Johnson-Mehl-Avrami-Kolmogorov (JMAKn) model [12], and the Richards ...

  5. File:Comprehensive LaTeX Symbol List.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Comprehensive_LaTeX...

    Deutsch: Dieses Dokument listet 20323 Symbole und die dazugehörigen LaTeX-Befehle auf. Manche Symbole sind in jedem LaTeX-2ε-System verfügbar; andere benötigen zusätzliche Schriftarten oder Pakete, die nicht notwendig in jeder Distribution mitgeliefert werden und daher selbst installiert werden müssen.

  6. σ-algebra - Wikipedia

    en.wikipedia.org/wiki/Σ-algebra

    The inner limit is always a subset of the outer limit: . If these two sets are equal then their limit lim n → ∞ A n {\displaystyle \lim _{n\to \infty }A_{n}} exists and is equal to this common set: lim n → ∞ A n := lim inf n → ∞ A n = lim sup n → ∞ A n . {\displaystyle \lim _{n\to \infty }A_{n}:=\liminf _{n\to \infty }A_{n ...

  7. Sigma-additive set function - Wikipedia

    en.wikipedia.org/wiki/Sigma-additive_set_function

    For sigma-additivity, one needs in addition that the concept of limit of a sequence be defined on that set. For example, spectral measures are sigma-additive functions with values in a Banach algebra. Another example, also from quantum mechanics, is the positive operator-valued measure.

  8. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    3. Between two groups, may mean that the first one is a proper subgroup of the second one. > (greater-than sign) 1. Strict inequality between two numbers; means and is read as "greater than". 2. Commonly used for denoting any strict order. 3. Between two groups, may mean that the second one is a proper subgroup of the first one. ≤ 1.

  9. Modern Arabic mathematical notation - Wikipedia

    en.wikipedia.org/wiki/Modern_Arabic_mathematical...

    From the symbols of logarithm and Euler's number Summation: مجــــ مجـــ mīm-medial form of jīm is derived from the first two letters of مجموع majmūʿ "sum"; also (∑, a mirrored summation sign ∑) in some regions Product: جــــذ: From جذ jīm-ḏāl.