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theorem proved term proof

weak_prime_nineteen

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formal statement (Lean)

2756theorem weak_prime_nineteen : Prime 19 ∧ Prime 17 ∧ Prime 23 ∧ 19 < (17 + 23) / 2 := by native_decide

proof body

Term-mode proof.

2757
2758/-- 23 is a weak prime: 23 < (19 + 29)/2 = 24. -/

depends on (5)

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