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theorem proved term proof

balanced_prime_twohundredeleven

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formal statement (Lean)

2114theorem balanced_prime_twohundredeleven : Prime 211 ∧ Prime 199 ∧ Prime 223 ∧ (199 + 223) / 2 = 211 := by native_decide

proof body

Term-mode proof.

2115
2116/-- 257 is a balanced prime: (251 + 263)/2 = 257 (Fermat prime F_3). -/

depends on (6)

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