#mathematical_point__point  a geometric element that has position but no extension; "a point is defined by its coordinates"
  exclusion:  pm#2D_object  pm#3D_object
  supertype:  pm#spatial_object (pm)  #component.part
  subtype:  #point_of_intersection__intersection__intersection_point  a point where lines intersect
     subtype:  #vertex  the point of intersection of lines or the point opposite the base of a figure
  subtype:  #intercept  the point at which a line intersects a coordinate axis

No statement uses or specializes #mathematical_point; click here to add one.