Thus, proving that the circumcircles of the triangles and are orthogonal is equivalent to proving that the tangents to the circumcircles of the triangles and at the point are perpendicular.)
Seega, mis tõendavad, et circumcircles on kolmnurga ja ristuvad on samaväärne mis tõendavad, et puutujaid circumcircles on kolmnurga ja kohas on risti.)