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theorem proved term proof

V_nonneg

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formal statement (Lean)

  53theorem V_nonneg {phi_inf : ℝ} (h : -1 < phi_inf) : 0 ≤ V phi_inf := by

proof body

Term-mode proof.

  54  unfold V
  55  apply Cost.Jcost_nonneg
  56  linarith
  57
  58/-- `V` is strictly positive away from the vacuum. -/

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