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

IsBigO

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)

  18def IsBigO (f g : ℝ → ℝ) (a : ℝ) : Prop :=

proof body

Definition body.

  19  ∃ C > 0, ∃ M > 0, ∀ x, |x - a| < M → |f x| ≤ C * |g x|
  20
  21/-- Little-o notation: ∀ ε > 0, ∃ M such that |f(x)| ≤ ε|g(x)| for |x-a| < M. -/

used by (14)

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

depends on (4)

Lean names referenced from this declaration's body.