Fungrim home page

Fungrim entry: 3cc884

x2=x\sqrt{{x}^{2}} = \left|x\right|
Assumptions:xRx \in \mathbb{R}
TeX:
\sqrt{{x}^{2}} = \left|x\right|

x \in \mathbb{R}
Definitions:
Fungrim symbol Notation Short description
Sqrtz\sqrt{z} Principal square root
Powab{a}^{b} Power
Absz\left|z\right| Absolute value
RRR\mathbb{R} Real numbers
Source code for this entry:
Entry(ID("3cc884"),
    Formula(Equal(Sqrt(Pow(x, 2)), Abs(x))),
    Variables(x),
    Assumptions(Element(x, RR)))

Topics using this entry

Copyright (C) Fredrik Johansson and contributors. Fungrim is provided under the MIT license. The source code is on GitHub.

2019-11-19 15:10:20.037976 UTC