Board Thread:Versus Debates/@comment-32466165-20170722022140/@comment-25122992-20170818150947

C`mon, it's already mentioned at the Rinne Sharingan page that Sasuke mistakenly referred to Infinite Tsukuyomi as to a jutsu cast by the Rinnegan. It doesn't actually mean that Rinne Sharingan = Rinnegan, just that Sasuke hasn't know about the former's existence at that point.