The longer Israelis continue to settle in the West Bank and Gaza, the harder it will be to cleanly divide the land between two nations with separate identities.

Both theories require us to cleanly divide a sequence of perceptions and reactions into before and after the instant that they reach the seat of consciousness, but he denies that there is any such moment, as it would lead to infinite regress.

Inconveniently the numbers don't divide cleanly.

Since the only hope for the Middle East conflict is to divide this land into two states, creating a physical barrier that cleanly divides the two mistrustful peoples may seem like a reasonable idea for now.

According to them, neuroimagers assume that there their theory of cognitive component parcellation is correct and that these components divide cleanly into feed-forward modules.

A more accurate model is of never-ending internecine warfare among conservative business interests that would divide much more cleanly into aggressive and traditional camps than into right- and left-wing ones.

The problem is that its proponents do have a point - with every passing year of increased Jewish settlement in occupied areas, the possibility of cleanly dividing the land between two peoples fades.

The court divided cleanly, with all six Republican-appointed members supporting the Government while the five judges in the minority were appointed by Democratic Presidents.