The Tosafot or Tosafos (lit. "additions") are medieval commentaries on the Talmud. They take the form of critical and explanatory glosses, printed, in almost all Talmud editions, on the outer margin and opposite Rashi's notes. The authors of the Tosafot are known as Tosafists ("ba'ale ha-tosafot").
Tosafoth were the sons-in-law, grandchildren, and students of Rashi (and their students), and "they" wrote a commentary on the Talmud that is often at odds with Rashi's earlier commentary. Sometimes ...
Rabbi Shlomo Yitzhaki, better known today as Rashi, was easily the most prolific commentator on the Tanach and Talmud in history in the sense that he commentated on most of the Talmud and, I believe, ...
Are the comments of Tosfos in the same Mesechta generally considered to be aligned, meaning that, if there is an apparent contradiction, we try and look for a resolution? How about Tosfos in ...