theorem Th26: :: JGRAPH_6:26

for Kb, Cb being Subset of (TOP-REAL 2) st Kb = { p where p is Point of (TOP-REAL 2) : ( not - 1 <= p `1 or not p `1 <= 1 or not - 1 <= p `2 or not p `2 <= 1 ) } & Cb = { p2 where p2 is Point of (TOP-REAL 2) : |.p2.| > 1 } holds
Sq_Circ .: Kb = Cb