ד' ימלך לעולם ועד
Horav Aryeh Leib Heyman, zl, cites a debate in Chazal (Berachos 40B) concerning the necessity to proclaim Malchus Hashem, as Monarch, when reciting a b’rachah. Rav posits that it is sufficient to vocalize the word Hashem as Adon, Master, G-d; it is not necessary to include the words, Melech Olam. Rabbi Yochanan contends that any b’rachah that does not include Melech Olam in its text is not a blessing. The halachah follows Rabbi Yochanan (Orach Chaim 214). In Meseches B’rachos (7B), Chazal teach that Avraham Avinu was the first person to refer to Hashem as Adon; Leah Imeinu was the…