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Fungrim entry: 77ef0c

C={x+yi:xR  and  yR}\mathbb{C} = \left\{ x + y i : x \in \mathbb{R} \;\mathbin{\operatorname{and}}\; y \in \mathbb{R} \right\}
TeX:
\mathbb{C} = \left\{ x + y i : x \in \mathbb{R} \;\mathbin{\operatorname{and}}\; y \in \mathbb{R} \right\}
Definitions:
Fungrim symbol Notation Short description
CCC\mathbb{C} Complex numbers
ConstIii Imaginary unit
RRR\mathbb{R} Real numbers
Source code for this entry:
Entry(ID("77ef0c"),
    Formula(Equal(CC, Set(Add(x, Mul(y, ConstI)), For(Tuple(x, y)), And(Element(x, RR), Element(y, RR))))))

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

2020-04-08 16:14:44.404316 UTC