Using the point A and the point H_a, construct a line h_a (rule W02);

% DET: points A and H_a are not the same

Using the point A and the point T_c, construct a line c (rule W02);

% DET: points A and T_c are not the same

Using the point H_a and the line h_a, construct a line a (rule W10a);

Using the line a and the line c, construct a point B (rule W03);

% NDG: lines a and c are not parallel

% DET: lines a and c are not the same

Using the point A, the point B, the point T_c and the line c, construct a point T`_c (rule W19);

% NDG: points A and B are not the same points B and T_c are not the same points B and midpoint([A,T_c]) are not the same

Using the point T_c and the point T`<sub>c</sub>, construct a circle k_over(T<sub>c</sub>,T`_c) (rule W09);

% NDG: points T_c and T`_c are not the same

Using the circle k_over(T_c,T`_c) and the line a, construct a point C_wb and a point C (rule W04);

% NDG: line a and circle k_over(T_c,T`_c) intersect