The three part a syllogism in the New School of Buddhist logic. These are: pratijn~a^ （宗）， the proposition; hetu （因）， the reason; and uda^harana （喻） the example. The older school had used a five-part syllogism （wuzhizuofa 五支作法）， but from the time of Digna^ga， the five part syllogism was considered unnecessary and the three part syllogism was used.