theorem extracted_formal_statement_145.{u_1} {E : Type u_1} [inst : NormedAddCommGroup E] [inst_1 : InnerProductSpace ℝ E]
  [inst_2 : CompleteSpace E] {f h : E → ℝ} {f' : E → E} {x0 : E} [p : Nesterov_first_fix_stepsize f h f' x0] :
  0 < Nesterov_first_fix_stepsize.l f h f' x0 := sorry

State before:
E : Type u_1
inst✝² : NormedAddCommGroup E
inst✝¹ : InnerProductSpace ℝ E
inst✝ : CompleteSpace E
f✝ h✝ : E → ℝ
f'✝ : E → E
x0✝ : E
f h : E → ℝ
f' : E → E
x0 : E
p : Nesterov_first_fix_stepsize f h f' x0
k : ℕ
⊢ 0 < Nesterov_first_fix_stepsize.l f h f' x0

Tactic: exact p.hl

State after:

Relevant lemmas: