Half is the whole

לז"נ הרב מאיר צבי יצחק בן הרב חיים יואל זצ"ל יום השנה ב' שבט       Half is the whole What is commonly known as חצי קדיש (half Kaddish) is actually the complete Kaddish. The Tefillah of Kaddish is to be Mekadesh Sheim Shomyim.which ends at דאמירן בעלמא. תתקבל-יהא שלמא-& עושה שלום were added on to the Kaddish, when ending, the Tefillah that it should be accepted, we should have peace with each other, and if  there is Ch"v Machlokes, Hashem should help us make peace* *Aruch Hashulchan O.Ch. 56:8