Questions tagged [rabbeinu-tam]

Medieval rabbi and prolific Tosafist, 1100-1171 France

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11
votes
3answers
573 views

Earliest halakhic sources for wearing both Rashi and Rabbenu Tam tefillin simultaneously?

Orach Chayim brings that pious men should wear both Rashi and R. Tam tefillin at once when davening (34:2-3). Do we know what the earliest halakhic sources recommending this are, and their reasoning? ...
0
votes
2answers
169 views

Rabbeinu Tam Tefillin [duplicate]

I have recently seen a Chasid wearing two baatim (Rashi and Rabeeinu Tam) on his head but only (Rashi) for Tefillin Shel Yad. Later, a third Tefillin Shel Rosh were applied but the Shel Yad stayed put....
3
votes
1answer
171 views

Which Rishonim held of shkia/tzeis according to the zman of Rabbeinu Tam?

Which Rishonim held of shkia/tzeis according to the zman of Rabbeinu Tam? Ive heard the Shulchan Aruch (rishon/acharon) held of it, did he pasken like for starting shabbos?
8
votes
4answers
2k views

Can one follow Rabbeinu Tam time for beginning Shabbos?

Does anyone today follow Rabbineu Tam time for the beginning of Shabbos? Reading some tshuvas (e.g. Eretz haTzvi) it is clear this was widespread in Europe. If one has previously been accustomed to ...
1
vote
2answers
160 views

How many blessings for Rashi and Rabeinu Tam tefillin?

How many brachot are said when donning two pairs of tefillin (Rashi and Rabeinu Tam)? Does it matter how much time has passed between the two donnings (the one before Shacharit and the second after ...
2
votes
1answer
122 views

tuft of hair distinguish Rashi / Tam tefillen

Why is a tuft of hair put on the tefillen allegedly to distinguish those following Rashi from those following R. Tam? Why tuft of hair at all as opposed to any other siman?
11
votes
2answers
401 views

Why is 'Rabbenu Tam' called Rabbenu Tam?

Rabbenu Tam's name was יעקב בן מאיר. Why then is he known as Rabbenu Tam?
6
votes
0answers
68 views

Where does Rabbeinu Tam discuss the “aspaklaria ha-meira”?

In Bernard-Henri Levy's book, "The Genius of Judaism", on p222-3, the author describes what appears to be the discussion in the gemara in Yevamot 49b about Moshe's level of prophecy. He says that ...
4
votes
0answers
188 views

Did Rabeinu Tam wear Rashi Tefilin?

To the best of my knowledge the majority of people that wear Rabeinu Tam Tefilin put it on without a Bracha at some later point in Tefila or after Tefila. Based on this I was wondering is there any ...
3
votes
0answers
19 views

Why is “truth” a trait of compassion?

One of the Thirteen Attributes of Mercy is that of “truth” (Shemos 34:6). ArtScroll (ex. Yom Kippur Machzor, p. 110) quotes Rabbeinu Tam,1 who explains that “truth” refers to the fact that He never ...
12
votes
2answers
329 views

Is it possible to convert a rosh of a Rabeynu Tam Tefillin into a rosh of a Rashi Tefillin?

If I find a Rabeynu Tam Tefillin and I do not have another one, can I take it apart, and change the rosh (I know how to) from Rabeynu Tam to a Rashi Tefillin?
2
votes
0answers
234 views

How does one tell the difference between Rash"i and Rabbeinu Tam tefillin shel yad from their exteriors?

This question explains that the extra hair emanating from the tefillin shel rosh of Rabbeinu Tam tefillin is a way to identify the shel rosh of Rabbeinu Tam tefillin vs. Rash'i tefillin. If 2 ...
3
votes
2answers
471 views

Following both Rashi and Rabbeinu Tam (mezuzah, sefer torah and tefillin)

I have heard it said that the reason as to why Ashkenazim place their mezuzot at an angle is to harmonise the opinion of Rashi, who held that it should be vertical (Menachot 33a, s.v. איסתוירא), with ...
10
votes
1answer
213 views

Is there anyone today who only wears Rabenu Tam t'philin?

Is there anyone in our times who ONLY wear t'philin made according to the shitta of Rabenu Tam - to the exclusion of "Rashi" t'philin?
2
votes
1answer
199 views

Is it permissible to exclusively wear tephilin according to Rabenu Tam?

If one looks into the sources - as well as the give and take throughout the recorded history of the mahloqeth - it becomes clear that the majority of the world wore tephilin according to the shitta of ...
15
votes
2answers
543 views

Are Rabbeinu Tam's Tefillin really Rabbeinu Tam's Tefillin?

I once heard from a Sofer the shocking revelation that Rabbeinu Tam's Tefillin do not actually follow Rabbeinu Tam's opinion. Is that correct? Did I misunderstand? Are there any Soferim in our ...
10
votes
1answer
2k views

What is the difference between Rashi and Rabbeinu Tam's tefillin?

I understand that there are two types of tefillin, the standard Rashi, and Rabbeinu Tam's. How do they actually differ in construction and in makeup? I have heard that the scriptural passages are ...