In theme of appeal of the Lodo arbitration, the nullity of to which in art. 829, co. 1, n. 11 cod. Proc.civ. Intesa in the meaning that the contradictory nature must emerge between the different components of the device, or between the motivation and the device, the the contradiction internal Between the different parts of the motivation, not expressly foreseen between i vices which involve the nullity of the praise, can assume relevance, which vice of the praise, only in d Erterini the impossibility absolute of reconstruct the logical and legal process below to the decision per total absence a a motivation attributable to its model functional.