theorem
proved
term proof
pythagorean_prime_onehundredthirteen
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formal statement (Lean)
1527theorem pythagorean_prime_onehundredthirteen : Prime 113 ∧ 113 % 4 = 1 := by native_decide
proof body
Term-mode proof.
1528
1529/-- 137 ≡ 1 (mod 4) is a Pythagorean prime (RS-relevant). -/