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Fungrim entry: a8f2ac

Fn+1=Fn+Fn1F_{n + 1} = F_{n} + F_{n - 1}
Assumptions:nZn \in \mathbb{Z}
TeX:
F_{n + 1} = F_{n} + F_{n - 1}

n \in \mathbb{Z}
Definitions:
Fungrim symbol Notation Short description
FibonacciFnF_{n} Fibonacci number
ZZZ\mathbb{Z} Integers
Source code for this entry:
Entry(ID("a8f2ac"),
    Formula(Equal(Fibonacci(Add(n, 1)), Add(Fibonacci(n), Fibonacci(Sub(n, 1))))),
    Variables(n),
    Assumptions(Element(n, ZZ)))

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

2019-08-19 14:38:23.809000 UTC