Of Theft and Robbery

Whether it is natural for man to possess external things?

Whether it is lawful for a man to possess a thing as his own?

Whether the essence of theft consists in taking another's thing secretly?

Whether theft and robbery are sins of different species?

Whether theft is always a sin?

Whether theft is a mortal sin?

Whether it is lawful to steal through stress of need?

Whether robbery may be committed without sin?

Whether theft is a more grievous sin than robbery?