Thursday, March 16, 2017

sources mekorot - When answering a greeting one should top it


On a daf yomi shiur I heard that when someone is being greeted/blessed he should reply with a greater blessing.


When I heard that I thought that this was the reason why people reply shabbat shalom umevorach then they are told shabbat shalom


Where can I find this gemora?




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periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions

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