RaMBa“M's ”Wondrous Point“ about cooking ”treif" meat from a Kosher animal with milk undermined by a simple Gemara?
Beitzah 12b seems to undermine RaMBa"M's Nekudah Niflaah that cooking and enjoying (not eating) Basar Tehorah Neveilah with milk is Mutar. Beitzah 12a-12b has R' Yohanan appalled at the suggestion ...
Tosafoth's unique opinion that Building is biblically allowed on Yom Tov, contradicted by a simple Gemara in Beitzah?
Beitzah 9b seems to undermine a famous Tosafoth in Shabbath 95a that introduces a fascinating Hiddush that Boneh (construction) on Yom Tov should be Mutar, but is forbidden because of rabbinic ...