English
The maximal ideal of the valuation ring 𝒪[K] is denoted 𝓂[K].
Русский
Максимальный идеал кольца 𝒪[K] обозначается как 𝓂[K].
LaTeX
$$$\\mathfrak{m}_K \\subseteq \\mathcal{O}_K \\subseteq K \\quad \\text{and} \\quad \\mathfrak{m}_K \\text{ is maximal}$$$
Lean4
/-- An abbreviation for `IsLocalRing.maximalIdeal 𝒪[K]` of a valued field `K`, enabling the notation
`𝓂[K]` for the maximal ideal in `𝒪[K]` of a valued field `K`. -/
@[reducible]
def maximalIdeal : Ideal 𝒪[K] :=
IsLocalRing.maximalIdeal 𝒪[K]