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theorem proved term proof

unity_log_charge_zero

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formal statement (Lean)

 238theorem unity_log_charge_zero {N : ℕ} (hN : 0 < N) :
 239    log_charge (unity_config N hN) = 0 := by

proof body

Term-mode proof.

 240  unfold log_charge unity_config
 241  simp only [Real.log_one]
 242  exact Finset.sum_const_zero
 243
 244/-- **Lemma**: If the current log-charge is zero, unity is feasible
 245    and achieves the global minimum. -/

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