Westminster Larger Catechism

Q22

Did all mankind fall in that first transgression?

The covenant being made with Adam as a public person, not for himself only, but for his posterity, all mankind descending from him by ordinary generation89, sinned in him, and fell with him in that first transgression90.
Doctrine

Scripture Proofs

89
Acts 17:26
90
Genesis 2:16-17Romans 5:12-201 Corinthians 15:21-22