We must now consider the sins opposed to justice, whereby a man injures his neighbor in his belongings; namely theft and robbery.
Under this head there are nine points of inquiry:
A Whether it is natural to man to possess external things?
A Whether it is lawful for a man to possess something as his own?
A Whether theft is the secret taking of another's property?
A Whether robbery is a species of sin distinct from theft?
A Whether every theft is a sin?
A Whether theft is a mortal sin?
A Whether it is lawful to thieve in a case of necessity?
A Whether every robbery is a mortal sin?
A Whether robbery is a more grievous sin than theft?