premises
#th_4n_01

plane(1)
plane(2)
point(3)
line(4)
~eq_plane(1, 2)
inc_po_pl(3, 1)
inc_po_pl(3, 2)
inc_l_pl(4, 1)
inc_l_pl(4, 2)

conclusions

inc_po_l(3, 4)

