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theorem proved term proof

weak_prime_seven

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formal statement (Lean)

2750theorem weak_prime_seven : Prime 7 ∧ Prime 5 ∧ Prime 11 ∧ 7 < (5 + 11) / 2 := by native_decide

proof body

Term-mode proof.

2751
2752/-- 13 is a weak prime: 13 < (11 + 17)/2 = 14. -/

depends on (5)

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