 According to the theistic emanationist, necessarily existing abstract objects are caused to exist by some non-contingent feature of divine activity. The standard feature the emanationist appeals to is divine cognitive activity of some sort. So, the theistic emanationist will say something like that the number 2 exists because of God’s cognitive activity. She will go on to say (and this is how the view is distinct from a theistic voluntarist view) it is not possible (it’s true in no possible world, full stop) for God’s cognitive activity in this respect to be other than it is. Thus, the theistic emanationist can hold that abstracta really exist in every possible world, full stop (allowing that God does, too). 