theorem Th68: :: JGRAPH_4:68

for cn being Real
for x, K0 being set st - 1 < cn & cn < 1 & x in K0 & K0 = { p where p is Point of (TOP-REAL 2) : ( p `2 <= 0 & p <> 0. (TOP-REAL 2) ) } holds
(cn -FanMorphN) . x in K0