In+theme+of+arbitration,+the+penalty+of+nullity+foreseen+by art.+829,+co.+1,+n.+4,+cod.+Proc.+Civ.,+Per+the+praise+containing+provisions+contradictory+not+corresponds+a+that+of art.+360,+c o.+1,+n.+5,+cod.+proc.+civ.,+ma it is+understanding+in the+sense+that dictates+contradictory+must+emerge+between+different+components+of the+device+or+between the+motivation+and+the device,+the+C+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+decision+per+total+absence+a+motivation+attributable+to+its+functional model.