In the theological discussion of divine power, the object of power is what is possible. A self-contradiction is not simply a difficult action requiring more force.
The proponent argues that if separation is possible, divine power extends to it. The critic asks which separation is meant: physically splitting already existing constituent parts, or assigning further boundaries within a continuous magnitude?
Until the object of the proposed act is specified, the principle of power does not itself establish an indivisible bodily atom.