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

% DET: points T_b and I are not the same

Choose freely a point B on the line s_b (rule WOnline1)

Using the point B and the point I, construct a line m(BI) (rule W14);

% DET: points B and I are not the same

Choose freely a point A (rule free)

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

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

% DET: points A and B are not the same

Using the point A and the point T_b, construct a line b (rule W02);

% DET: points A and T_b are not the same

Using the point M_c and the line c, construct a line m_c (rule W10b);

Using the line m_c and the line m(BI), construct a point N_c (rule W03);

% NDG: lines m_c and m(BI) are not parallel

% DET: lines m_c and m(BI) are not the same

Using the point N_c and the point I, construct a line s_c (rule W02);

% DET: points N_c and I are not the same

Using the line b and the line s_c, construct a point C (rule W03);

% NDG: lines b and s_c are not parallel

% DET: lines b and s_c are not the same