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Fungrim entry: 22dc6e

Fn=Fn1+Fn2F_{n} = F_{n - 1} + F_{n - 2}
Assumptions:nZn \in \mathbb{Z}
TeX:
F_{n} = F_{n - 1} + F_{n - 2}

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("22dc6e"),
    Formula(Equal(Fibonacci(n), Add(Fibonacci(Sub(n, 1)), Fibonacci(Sub(n, 2))))),
    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