Chapter one: Object of litigation and discernment criterion and justice practice signification of action of performance.

These misleading theories involve the base of the theory of object of litigation, if it is not corrected immediately, the theory of object of litigation may enter into "the blind alley".

The object of litigation according to the right to subrogation includes the creditor's claim to the right to subrogation and legal relations between the debtor and the subordinate debtor.