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Mathematics LibreTexts

0.0 Special Symbols

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  • Page ID
    17413

    • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)

    \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)

    piece-wise function:

    \(|x| = \begin{cases}  -x & \text{if } x < 0  \\ x & \text{if } x \geq 0 \end{cases}\)

    \(\aleph\)

    \(\aleph_0\)  \(\aleph_1\)

    \(\altneg\)

    \(\mathfrak{P}\)

    \(\mathscr{P}\)

    \(\bold{this}\)

    ~

    \(\~\)

     

    \(k \cdot 5\)

    \(p \Leftrightarrow q\)

    ±

    \(\displaystyle \lim_{x→−2}(3x^3−2x+7)\).

    \[\lim_{x→3}\frac{2x^2−3x+1}{5x+4}=\frac{10}{19}. \nonumber\]

    x→±∞

    \(f(x)=\sqrt{x−3}\).

    \(\frac{1}{4}\)

    \(\dfrac{1}{4}\text{ dfrac makes a bigger "display" fraction & text can insert text including a space & not italic}\)

    \[ \lim_{θ→0}\dfrac{1−\cos θ}{θ}=0 \nonumber \]

    \(M≠0\)

    \(M \neq 0\)

    \(y \in \mathbb{R}\)

    \( \mathbb{Q}\)

    \(-1\notin\mathbb{Z}^+\)

     

    \[\exists x \, p(x),\]

    \[\forall x \, p(x),\]

    Contributors

    • Gilbert Strang (MIT) and Edwin “Jed” Herman (Harvey Mudd) with many contributing authors. This content by OpenStax is licensed with a CC-BY-SA-NC 4.0 license. Download for free at http://cnx.org.