The definition of three-valued equation models of society diagnosis（that is equation description of three-valued models of society diagnosis） is first set up.Owing to the characteristics that traditional two-valued model of society diagnosis can＇t be without ＂t-diagnosable＂and absolutely distinguishes human beings into two （good man and bad man）.A kind of new society diagnosable mode/ is set up,the concepts of ＂t/x-diagnosable＂etc.are defined.Finally a concrete method--equation diagnosis algorithm is found,on seeking all consistent...
