The concept requires all possible path's to be mapped out, and any remaining paths not cancelled out represent the most probable path of the object.
i) If "infinite" paths are mapped out (since there are infinite paths for every movement) , isn't it guaranteed for every path to be canceled out? Every path has an opposite, and if infinite paths are mapped, the opposites are guaranteed to be present.
ii) How do you map out infinite paths? Nothing infinite can be completely mapped, on the basis that it is infinite.