pith. machine review for the scientific record. sign in
def definition def or abbrev

IsLittleO

show as:
view Lean formalization →

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

generate prose now

formal statement (Lean)

  22def IsLittleO (f g : ℝ → ℝ) (a : ℝ) : Prop :=

proof body

Definition body.

  23  ∀ ε > 0, ∃ M > 0, ∀ x, |x - a| < M → |f x| ≤ ε * |g x|
  24
  25/-- f = O(x^n) as x → 0. -/

used by (4)

From the project-wide theorem graph. These declarations reference this one in their body.

depends on (3)

Lean names referenced from this declaration's body.