degree — Mathlib

English

The separable degree of f is the degree of its contraction, i.e., degree_q(f) = natDegree(contraction_q(f)).

Русский

Разделимая степень f равна степени его конракции: degree_q(f) = natDegree(contraction_q(f)).

LaTeX

$$$\\text{degree}_q(f) = \\operatorname{natDegree}(\\mathrm{contraction}_q(f))$$$

Lean4

/-- The separable degree of a polynomial is the degree of a given separable contraction. -/
def degree : ℕ :=
  hf.contraction.natDegree

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