The evolution of a problem whose analytic solution is most difficult, while the synthetic solution for it is obvious
According to Eneström, the goal is to define a curve with the property that, for every point, the distance from the center point of the curvature to a given point is constant.
Original Source Citation
Nova Acta Academiae Scientiarum Imperialis Petropolitanae, Volume 8, pp. 73-86.
Opera Omnia Citation
Series 1, Volume 29, pp.161-175.