Where does Paul first explain the Adamic nature in the order of his letters?

Paul first lays out the picture of the Adamic nature in Romans chapter 1. That is the first time in the biblical order of his letters that he begins to explain it. There he describes the reprobate mind, unrighteousness, and humanity’s refusal to retain God in their knowledge.

Les explains that Galatians and Romans fit hand in glove, and he keeps coming back to Romans. He points out that in Romans chapter 1, Paul for the first time in the biblical order of his letters begins to lay out the picture of the Adamic nature. In Romans 1:28, Paul says they did not like to retain God in their knowledge, so God gave them over to a reprobate mind. Les connects that reprobate mind with doing things that are not convenient or natural, and with being filled with all unrighteousness.

Romans 1

Where does Paul first lay out the picture of the Adamic nature in his letters?

Paul first lays out the picture of the Adamic nature in Romans chapter 1, where he begins this for the first time in the biblical order of his letters. There he addresses the reprobate mind and unrighteousness, showing the outworking of the Adamic nature.