Sentence examples for possible worlds are from inspiring English sources

Ought we to deny that possible worlds are possibly actual?

The assumption about possibility is that possible worlds are concrete spatio-temporal things (in the way that roads are) and that worlds can overlap (literally share a common part) in the way that roads can overlap.

But if this is what actuality for worlds amounts to, then assuming possible worlds are possibly actual, it would follow that for each possible world all its members could be true together.

Lewis is most celebrated for his "modal realism", a theory which argues that possible worlds are not just a concept for explaining possibility and necessity, but as real as our own universe.

This is the view that ersatz possible worlds are representations, and the way they represent possibilities is something like the way that language represents possibilities.

This is the view that ersatz possible worlds are representations, and the way they represent possibilities is something like the way that pictures or models represent possibilities.

After arguing that we are best off in all these areas of philosophy if we accept unactualised possibilities, Lewis spends the rest of chapter 1 saying what possible worlds are on his view.

He called himself "a commonsensical fellow (except where unactualised possible worlds are concerned)".

Once again, the 500-year-old ideas of Thomas More about the best of all possible worlds are at large, albeit in the feverishly unlikely context of rejoicing Iraqis beating their guns into burger skillets.

Structures on possible worlds are used frequently.

Some possible worlds are easier to contemplate negatively.