(1) Whether unbelief is a sin?
(2) What is its subject?
(3) Whether it is the greatest of sins?
(4) Whether every action of unbelievers is a sin?
(5) Of the species of unbelief;
(6) Of their comparison, one with another;
(7) Whether we ought to dispute about faith with unbelievers?
(8) Whether they ought to be compelled to the faith?
(9) Whether we ought to have communications with them?
(10) Whether unbelievers can have authority over Christians?