In theme of arbitration the subsistence of the reason of appeal per nullity of the praise of to which at combined arranged of the articles 8 29, co. 1, n. 5 and 823, co. 2, n.5 cod. Proc. Civ. Is recognizable only in the case in the motivation miss of the all or at at His interior so low by not allow the understanding and the identification of the ratio decidendi. if, per contrary, such ratio is in a few way traceable, the obligation legal motivation of the lode arbitral is to be considered fulfilled.