Assumptions:
TeX:
F_{2 n} < F_{n + 1}^{2} < F_{2 n + 1}
n \in \mathbb{Z}_{\ge 2}Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| Fibonacci | Fibonacci number | |
| Pow | Power | |
| ZZGreaterEqual | Integers greater than or equal to n |
Source code for this entry:
Entry(ID("412334"),
Formula(Less(Fibonacci(Mul(2, n)), Pow(Fibonacci(Add(n, 1)), 2), Fibonacci(Add(Mul(2, n), 1)))),
Variables(n),
Assumptions(Element(n, ZZGreaterEqual(2))))