**basic real golden ratio**is the D993: Real number \begin{equation} \frac{1 + \sqrt{5}}{2} \end{equation}

▾ Set of symbols

▾ Alphabet

▾ Deduction system

▾ Theory

▾ Zermelo-Fraenkel set theory

▾ Set

▾ Binary cartesian set product

▾ Binary relation

▾ Binary endorelation

▾ Preordering relation

▾ Partial ordering relation

▾ Ordering relation

▾ Ordered set

▾ Dedekind cut

▾ Set of real numbers

▾ Real number

▾ Alphabet

▾ Deduction system

▾ Theory

▾ Zermelo-Fraenkel set theory

▾ Set

▾ Binary cartesian set product

▾ Binary relation

▾ Binary endorelation

▾ Preordering relation

▾ Partial ordering relation

▾ Ordering relation

▾ Ordered set

▾ Dedekind cut

▾ Set of real numbers

▾ Real number

Formulation 1

The **basic real golden ratio** is the D993: Real number
\begin{equation}
\frac{1 + \sqrt{5}}{2}
\end{equation}

Results