1369.lean:15:8: warning: declaration '_example' uses sorry 17 ≤ 555555 ⊢ 17 ≤ 555555 1369.lean:21:8: warning: declaration '_example' uses sorry ?m_1 ≤ 555555 ⊢ ?m_1 ≤ 555555 1369.lean:33:8: warning: declaration '_example' uses sorry