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Fungrim entry: 485ab6

φ ⁣(n)n1\varphi\!\left(n\right) \le n - 1
Assumptions:nZ2n \in \mathbb{Z}_{\ge 2}
TeX:
\varphi\!\left(n\right) \le n - 1

n \in \mathbb{Z}_{\ge 2}
Definitions:
Fungrim symbol Notation Short description
Totientφ ⁣(n)\varphi\!\left(n\right) Euler totient function
ZZGreaterEqualZn\mathbb{Z}_{\ge n} Integers greater than or equal to n
Source code for this entry:
Entry(ID("485ab6"),
    Formula(LessEqual(Totient(n), Sub(n, 1))),
    Variables(n),
    Assumptions(Element(n, ZZGreaterEqual(2))))

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2019-08-21 11:44:15.926409 UTC