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theorem proved term proof

superprime_twohundredeleven

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formal statement (Lean)

2830theorem superprime_twohundredeleven : Prime 211 ∧ Prime 47 := by native_decide

proof body

Term-mode proof.

2831
2832/-! ### Isolated primes (no twin: p-2 and p+2 both composite) -/
2833
2834/-- 23 is an isolated prime: 21 = 3 × 7, 25 = 5². -/

depends on (6)

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