Set of symbols
Deduction system
Zermelo-Fraenkel set theory
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
Basic real golden ratio
Formulation 1
The basic real golden ratio is the D993: Real number \begin{equation} \frac{1 + \sqrt{5}}{2} \end{equation}
» R4206: Basic real golden ratio is a root of a quadratic basic real polynomial
» R4207:
» R4208:
» R4211: Basic real golden ratio is limit of successive terms in the Fibonacci natural number sequence
» R4661: Integer power recurrence of basic real golden ratio