halacha - Bli Neder Loophole - Mi Yodeya "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
lomdus - Neder vs. Shevua - Mi Yodeya 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
nedarim shevuot - Is making a deal with Hashem to stop doing an aveira . . . 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
Is a neder about something compulsory valid? - Mi Yodeya 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
To be Matir Neder or not to be, that is the question 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:
hebrew - Bli neder and shevuot - Mi Yodeya 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
nedarim shevuot - What is considered a neder of a mitzvah - Mi Yodeya Thus, he made a Neder not to go on the internet A few years later , the boy gets married He now wants to the internet for day to day life Can he be matir Neder in order to now use the internet Or is this a Neder of a mitzvah ,as this was a barrier from watching inappropriate things ,thus this Neder can’t be undone?
halacha - Neder not specified - Mi Yodeya The Shulchan Arukh in the laws of Nedarim rules that if one intended to prohibit wheat bread to himself as a Neder but only said "bread" unmodified, only wheat bread is prohibited to him ( The Shakh there rules this is only so if the omission of the type of bread was an accident, and one cannot rely on this rule Lechatchila )
halacha - Making a neder without specifying verbally - Mi Yodeya 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
What if one swears to do something forbidden? - Mi Yodeya 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