Reply To: Rishonim vs Acharonim

R’ Elchonon Vasserman hy”d in Kovetz Shiurim Baba Basra writes that in reality, an Amora can argue with a Tannah, but when the Gemoro asks it is because generally, no Amoira would argue unless he had a Tannah supporting him, although they had the ‘rights’ to argue.