The only John Leslie (as a physicist) that I'm aware of is the one that invented refrigeration in the early 1800's... > > Whoever this modern Leslie is--not that he's wrong, but we can't experiment against a multiuniverse. At least, not in any way I'm aware of. Again, as I've said repeatedly, to me only [i]knowledge[/i] counts. -John Leslie, Prof. of Philosophy, U. of Guelph, author of "Universes".