Did all mankind fall in Adam’s first transgression? – Shorter Westminster Catechism

The covenant being made with Adam, not only for himself, but for his posterity; all mankind, descending from him by ordinary generation, sinned in him, and fell with him, in his first transgression.

Shorter Westminster Catechism

What was the sin whereby our first parents fell from the estate wherein they were created? – Shorter Westminster Catechism

Into what estate did the fall bring mankind? – Shorter Westminster Catechism