Where in Shemoneh Esreh is Havdalah recited, and why?

What is the correct nusach (formulation) for the Havdalah insertion in Shemoneh Esreh — should one recite 'Atah Chonantanu' alone, 'Atah Chonen' alone, or both?

6 opinions

If one forgot to recite Havdalah in Shemoneh Esreh, must one repeat the Shemoneh Esreh?

5 opinions

Must one repeat Shemoneh Esreh after omitting Havdalah when one ate before making Havdalah on a cup — and does the Rambam agree?

5 opinions across 3 eras

If one has no cup on Motza'ei Shabbat and believes one will have no cup even the next day, must one repeat Shemoneh Esreh?

4 opinions

If Tisha B'Av falls on Motza'ei Shabbat and one forgot Havdalah in Shemoneh Esreh, must one repeat?

3 opinions

If one completed a blessing in Shemoneh Esreh without the required insertion (Havdalah or similar), can one still go back to add it, or is one too late?

4 opinions across 3 eras

Where in Shemoneh Esreh should one add Havdalah if one remembers before completing the prayer?

2 opinions

If one forgot Havdalah in tefillah but has no cup, may one say 'Atah Chonantanu' after completing tefillah (after Yihyu l'ratzon)?

1 opinions