A neder, by definition, is either declaring something to be forbidden to oneself, or taking on an obligation to bring a korban or give tzedakah (Rambam, ibid. 1:1-2 and Matnos Aniyim 8:1). Share Improve this answer

It is still a valid Neder/Shevua to motivate him to do the mitzva. One can motivate oneself to swear to fulfill a Mitzva both with nedarim and Shevuos as is evident in Tosfos 8a: כי היכי דאין שבועה חלה על שבועה ה״נ אין נדר חל על נדר קמ״ל דשרי ליה לאיניש לזרתי נפשיה לקיים ...

Dec 15, 2011 · "A neder, by definition, is either declaring something to be forbidden to oneself, or taking on an obligation to bring a korban or give tzedakah (Rambam, ibid. 1:1-2 and Matnos Aniyim 8:1)." So even if saying bli neder CAN circumvent a vow, logic dictates that it would only work on a neder, and not on a shevua.

Dec 21, 2017 · A similar question is the subject of much discussion in YD 228. Rav Moshe Stern, the Debreciner Rav, in Shu"t Beer Moshe Chelek Gimel, Siman 163-165 (which includes the summary of his answer), was asked about a person who promised never to bring a TV into his house, and now wanted him to be Matir his Neder:

Oct 31, 2024 · According to the Ben Ish Chai, the neder is in force, and would require nullification, if you verbalized it. You can always say “bli neder” and with a sincere intention such a statement is far superior to a neder in most cases. We should avoid nedarim whenever possible.

Oct 11, 2016 · As far as I understand from the discussion here, a "neder" is a vow forbidding or consecrating objects, whereas a "shevua" governs personal actions. For example, one would make a neder to declare wine forbidden to himself, but a shevua to go to work the next day.

Oct 21, 2013 · We have a concept that if he merely indicates a Neder, and it is Not clear because it is lacking both verbal expression, and visual indication, is not a Neder. Source Nedarim 6a; where the Ran says on that Gemoro.קיימא לן כרבא: ידיים שאין מוכיחות לא הוויין ידיים we hold like Rovo that an indication of a ...

Oct 20, 2013 · Yet we find no mention in halacha of hataras n'darim or finding a pesach or specifying "b'li neder" about pas palter in the ten days of return. That alone seems strong evidence that it's not considered a neder affecting the time after Yom Kipur.

May 24, 2017 · Rambam (Hilchos Nedarim 3:6): A Neder is Chal (takes effect) on Mitzvos like on Reshus (optional matters). (Note not a shevuah) Radvaz: A Neder is Chal to desist from a Mitzvah of action. A Neder to eat pork is not Chal. We do not say that the Aseh "Motzei Sefasecha Tishmor" overrides a Lav, for he brought the Aseh upon himself.

Aug 15, 2013 · In Yechave Da'at 2,70 R' Ovadia discusses women's obligation to keep their minhag of keeping Mitzvot Asseh Shehazman Graman. He generally holds that since they are not obligated - the fact that they kept something 3 times does not make it a neder. The is also a similar and longer response on Yabia Omer 2 Orach Chayim 30.