<i>There is a two volume sefer (very small and thin) called מעתיקי שמועה, where they are מלקט various Chiddushim of the Brisker Rav from his Talmidim – from Shailos UTeshuvos, from Sefarim al haShas and other sources. I saw it there.</i>
These type of seforim are extremely unreliable. I’ve seen in one of those type of Seforim that BR held there is no chiyuv to put on tefilin on a daily basis anymore. The Am Hartzus of that shtickel “Torah” was so mind boggling that I showed it Rav Reuvain Fein ztz’l for clarification. He answered that there is nothing to clarify.Some Talmid misunderstood the Brisker Rav and wrote it down. He added that he has seen “Pi Hasmuah” Brisker “Torah” that contradicts an explicit Misnah on that very topic.
What would the Brisker Rov do with the shito of “Mitzvas Betales L’Osid Lovo” Is that also heresy?