The obligation of exposure summary of the reasons of the decision imposed to referees by art. 823, n. 5, cod. Proc. nto integrates the possibility of challenge the praise ai senses of art. 829, co. 1, n. 5, cod. proc. civ., can be considered not satisfied only when The motivation miss of the all or is so low by not not to allow understand the logical process which has determined the decision referee or contain contradictions irreconcilable in the body of the motivation or of the device such to make incomprehensible the ratio of the decision.