Theorem
-- Every even integer greater than 2 is the sum of two primes.
theorem goldbach (n : ℕ) (hn : 2 < n) (heven : Even n) :
∃ p q : ℕ, Nat.Prime p ∧ Nat.Prime q ∧ p + q = n :=
Details
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Verifying with Lean 4…