“A slave, Aristotle says, is someone who is by nature not his own, but another man’s property.”

—————————————————- Another example – modal stuff

[1] It is a necessary truth that if I know there is a fly in my soup, then there is a fly in my soup.

[2] But even if I know that there is a fly in my soup, it is not a necessary truth there is a fly in my soup; I can fish it out.