Commentary for Berakhot 28:22
לאפוקי ממ"ד למשנה אין צריך לברך קמ"ל דאף למשנה נמי צריך לברך
[The object was] to refute him who declared that it is unnecessary to utter a benediction over the study of the Mishnah ; hence we are informed that likewise for the Mishnah it is necessary to utter a benediction.
Abraham Cohen Footnotes to the English Translation of Masechet Berakhot
Rab Hiyya b. Ashe's statement has no bearing on the question under discussion. It was quoted to prove that Rab uttered a benediction before lecturing on Mishnah. In fact, this Rabbi's statement quoted in fol. 11 b, does not mention "laid Tefillin and after that read the Shema'."
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