Reply To: Rav Chaim: A Nebach Apikorus is also an Apikorus

MediumThinker: It is also interesting that you give that as an example. According to the Rambam, thinking that a lemon is Kosher for an Esrog might be Apikorsus as a denial of Torah Sheba’al Peh because Pri Eitz Hadar meaning Esrog is a Halachah L’moshe Misinai and no one has a right to argue on them.