Using the point E_b and the point M_a, construct a line m(E_bM_a) (rule W14);

% DET: points E_b and M_a are not the same

Using the point E_b and the point M_c, construct a line m(E_bM_c) (rule W14);

% DET: points E_b and M_c are not the same

Using the line m(E_bM_c) and the line m(E_bM_a), construct a point N (rule W03);

% NDG: lines m(E_bM_c) and m(E_bM_a) are not parallel

% DET: lines m(E_bM_c) and m(E_bM_a) are not the same

Using the point M_a and the point N, construct a line m(H_bH_c) (rule W02);

% DET: points M_a and N are not the same

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), the line m(H_bH_c), the point N and the point M_a, construct a point E_a (rule W05a);

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

% DET: points M_a and E_a must be different

Using the point M_c and the point E_a, construct a line m(AH_b) (rule W02);

% DET: points M_c and E_a are not the same

Using the point E_b and the line m(AH_b), construct a line h_b (rule W16);

Using the circle k(N,M_a), the line h_b, the point N and the point E_b, construct a point H_b (rule W05);

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

% DET: points E_b and H_b must be different

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), the line h_b, the point M_a and the point H_b, construct a point B (rule W05);

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

% DET: points H_b and B must be different

Using the point M_a and the point B, construct a point C (rule W01);

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