@@MathematicalScience sir par jab humne theorem Kia tha that IDP is isom To EDP usme lemma 2 Jo Kia that proof mein usme to humane do elements liye the g=h1.....hn,g=h1^'h2^'.....hn^' aur phir last mein to h1=h1' ,..... Aa gye the usse to phir unique hua na?