Medieval rabbi and prolific Tosafist, 1100-1171 France

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13
votes
2answers
341 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 ...
11
votes
3answers
221 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 Tamm tefillin and I do not have another one , can I take it appart , and I know how to , and change the ROSH from Rabeynu Tam to a Rashi tefillin ?
2
votes
2answers
143 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 ...
0
votes
1answer
162 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 ...