34  Terminology in Math

Table 34.1 presents some mathematical symbols, as well as their LaTeX source code, used in this Quarto book These symbols should be familiar to the audience with an advanced degree in mathematics.

Table 34.1: Mathematical Symbols
Symbol LaTeX Source Example Translate To
\(\Delta\) $\Delta$ \(\Delta x_k= x_k - x_{k-1}\) Delta-\(x_k\) is defined as the difference between \(x_k\) and \(x_{k-1}\)
\(\equiv\) $\equiv$ \(x\equiv a\) Variable \(x\) is equivalent to constant \(a\)
\(\forall\) $\forall$ \(\forall k\) For all \(k\)
\(\iff\) $\iff$ \(A\iff B\) \(A\) is true, if and only if \(B\) is true
\(\in\) $\in$ \(x\in\mathcal{R}\) Variable \(x\) is a member of the set of real numbers \(\mathcal{R}\)