Using the point E_b and the point H, construct a point B (rule W01);

Using the point E_b and the point H, construct a line h_b (rule W02);

% DET: points E_b and H are not the same

Using the point T_b and the point B, construct a line s_b (rule W02);

% DET: points T_b and B are not the same

Using the point T_b and the line h_b, construct a line b (rule W10a);

Using the line b and the line h_b, construct a point H_b (rule W03);

% NDG: lines b and h_b are not parallel

% DET: lines b and h_b are not the same

Using the point H and the point H_b, construct a line m(HH_b) (rule W14);

% DET: points H and H_b are not the same

Using the point E_b, the point B, the point T_b, the line s_b and the line h_b, construct a line BO (rule W17);

% NDG: points B and T_b are not the same points E_b and B are not the same

% DET: points B and T_b are not the same

Using the point E_b and the line BO, construct a line m(H_aH_c) (rule W16);

Using the line m(H_aH_c) and the line b, construct a point M_b (rule W03);

% NDG: lines m(H_aH_c) and b are not parallel

% DET: lines m(H_aH_c) and b are not the same

Using the point M_b and the point B, construct a point G (rule W01);

Using the point H and the point G, construct a point N (rule W01);

Using the point E_b and the point N, construct a circle k(N,M_a) (rule W06);

% NDG: points E_b and N are not the same

Using the circle k(N,M_a) and the line m(HH_b), construct a point E_a and a point E_c (rule W04);

% NDG: line m(HH_b) and circle k(N,M_a) intersect

Using the point E_a and the point H, construct a point A (rule W01);

Using the point H and the point E_c, construct a point C (rule W01);