A chiasm is a literary structure where vocabulary of the first section of a passage is repeated in reverse order in the second. The center of the chiasm is typically the climax of the passage. In 2 Corinthians 1:1-2 the center is that Paul is writing to not only the church in Corinth but also to all the saints in Achaia (2 Cor 1:1c-d).APaul, an apostle of Christ Jesus (v 1a)Bby the will of God, and Timothy our brother, (v 1b)CTo the church of God that (Greek: ho) is at (Greek: en) Corinth, (v 1c)C’with all the saints who (Greek: ho) are in (Greek: en) the whole of Achaia: (v 1d)B’Grace to you and peace from God our Father (v 2a)A’and the Lord Jesus Christ. (v 2b)