As a side effect, the statement that the Municipality has the duty to repair 100% of the damages, has become defeated (graphically indicated by the cross in the corresponding box), since the argument that the damages are fully imputed to the cab-driver, now is a counterargument.
Now it is concluded that the Municipality has the duty to repair 0% of the damages, on the basis of the reason that the damages are fully imputed to the cab-driver. If desired, the rule that warranted the connection between the reason and the conclusion, can be made explicit by the user of the system: