I, Section V, verse 5) one of the four kinds of effective answers to a suit is "a plea by former judgment" and in verse 10, Katyayana is quoted as laying down that "one against whom a judgment had formerly been given, if he bring forward the matter again, must be answered by a plea of Purva Nyaya or former judgment" (Macnaughten and Colebrooke's translation, page 22). [read post]