Using the point H_a and the point H_b, construct a line H_aH_b (rule W02);

% DET: points H_a and H_b are not the same

Using the point H_a and the point H_c, construct a line H_cH_a (rule W02);

% DET: points H_a and H_c are not the same

Using the point H_a and the point H_b, construct a line m(H_aH_b) (rule W14);

% DET: points H_a and H_b are not the same

Using the point H_b and the point H_c, construct a line m(H_bH_c) (rule W14);

% DET: points H_b and H_c are not the same

Using the line H_cH_a, the point H_b, the point H_a, the point H_c and the line H_aH_b, construct a line h_a (rule W17);

% NDG: points H_a and H_c are not the same points H_b and H_a are not the same

% DET: points H_a and H_b 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 m(H_bH_c), construct a point M_a (rule W03);

% NDG: lines a and m(H_bH_c) are not parallel

% DET: lines a and m(H_bH_c) are not the same

Using the point H_b and the point M_a, construct a circle k(M_a,B) (rule W06);

% NDG: points H_b and M_a are not the same

Using the circle k(M_a,B) and the line a, construct a point B and a point C (rule W04);

% NDG: line a and circle k(M_a,B) intersect

Using the point H_c and the point B, construct a line c (rule W02);

% DET: points H_c and B are not the same

Using the line m(H_aH_b) and the line c, construct a point M_c (rule W03);

% NDG: lines m(H_aH_b) and c are not parallel

% DET: lines m(H_aH_b) and c are not the same

Using the point M_c and the point B, construct a point A (rule W01);