reserve T for TopStruct;
reserve GX for TopSpace;

theorem Th8: :: JORDAN1:1, AK, 20.02.2006
  for GX being TopStruct, A being Subset of GX holds the carrier of (GX|A) = A
proof
  let GX be TopStruct, A be Subset of GX;
  A=[#](GX|A) by Def5;
  hence thesis;
end;
