premises
#ax_D3a

point(1)
point(2)
point(3)
~col(1, 2, 3)
point(4)
plane(5)
inc_po_pl(1, 5)
inc_po_pl(2, 5)
inc_po_pl(3, 5)
~inc_po_pl(4, 5)

conclusions

~cop(1, 2, 3, 4)

