God’s trinitarian history for us makes him what he is for himself. There is no immanent Trinity supratemporally ‘behind’ God’s temporal, worldly history, so that he would be who he is independently of this history. This history is who he is.
Closing on Tuesday. No cheating.
[Note: I’ve had to repost this because for some strange reason the comments were off. Apologies to those who wanted to cast a vote but were unable. You can do so now. And I’ve extended the closing date: it’s now Tuesday.]
… and the answer is?