Full Idea
For me, all the worlds are on an equal footing in that each is actual relative to itself and none is actual relative to any other.
Gist of Idea
For me, all worlds are equal, with each being actual relative to itself
Source
David Lewis (On the Plurality of Worlds [1986], 3.1)
Book Reference
Lewis,David: 'On the Plurality of Worlds' [Blackwell 2001], p.138
A Reaction
Lewis says the world we call 'actual' is simply a matter of how our indexicals refer. That sounds the wrong way round to me (as so often with Lewis).