We must now consider the external causes of sin, and (1) on the part of God; (2) on the part of the devil; (3) on the part of man.
Under the first head there are four points of inquiry:
A Whether God is a cause of sin?
A Whether the act of sin is from God?
A Whether God is the cause of spiritual blindness and hardness of heart?
A Whether these things are directed to the salvation of those who are blinded or hardened?