In+theme+of+arbitration,+the+sanction+of+nullity+provided+by art.+829,+co.+1,+n.+11,+cod.+Proc.+Civ. o.+1,+n.+5,+cod.+proc.+civ.,+ma it is+understanding+in the+sense+that said+contradictory (must be+to emerge+the+different+components+of the+device,+or+between the+motivation+ED+the+device,+the+C ONTRADDITITITY+INTERNAL+between+the+different+parts+of the+motivation,+not+expressly+foreseen+between+i+vices+that involve+the+nullity+of the+praise,+can+assume+relevance,+which+vice+vice,+solant o+in+what+determines+the impossibility+absolute+of+reconstruct+the logical process+and+legal+below+to the+decision+per+total+absence+a+motivation+attributable+to+its+functional model.