Muslims Belief In The Original Sin Of Prophet Adam (sws)
The term, Original Sin, is not just a phrase, but a concept, which means that the first sin Adam and Eve is inherited by their progeny until Jesus Christ came to remove them from it by redeeming it with his sacrifice on the cross. However, as far as the first act of disobedience is concerned, yes, this was the first sin by human beings, which we are told about by God.