The Term possible World
The term goes back to Leibniz's theory of possible worlds, used to analyse necessity, possibility, and similar modal notions. In short: the actual world is regarded as merely one among an infinite set of logically possible worlds, some "nearer" to the actual world and some more remote. A proposition is necessary if it is true in all possible worlds, and possible if it is true in at least one.
Read more about this topic: Modal Realism
Famous quotes containing the word term:
“There are other letters for the child to learn than those which Cadmus invented. The Spaniards have a good term to express this wild and dusky knolwedge, Grammatica parda, tawny grammar, a kind of mother-wit derived from that same leopard to which I have referred.”
—Henry David Thoreau (1817–1862)