Although I don’t like the infinite universe theory (or multiverse, or any theory that posits more than one), it allows us a novel argument for Gods existence (thanks to my wife for pointing this out). If infinite universes exist, then it follows by necessity that God exists in at least one of them: that is, God created that universe and exists in it (however that works). So we at least get one God to worship. Yay!
But we also get other gods, no gods, ant gods, evil gods, flying spaghetti monster gods. There is a universe where all these exist, theoretically. We get a world where I type this sentence, a world where I don’t, I world where I misspell “world,” a world where I get struck by lightening now, another five minutes from now…In other words, the theory of infinite universe itself is absurd. It’s mathematical only.
But if God exists in one universe, doesn’t he have to exist in all? – by the very nature of the concept itself? If we define God as all knowing, all powerful, and creator of everything, then it would seem to follow that, if God exists in one universe, then God must exists in all of them – everything. Oh boy, here we go with the old arguments for God. This is an old argument put into new clothes, actually. Saint Anselm once tried to prove God’s existence by definition essentially. God is the greatest Being. God exists in our minds. But if God only existed in our minds, he wouldn’t be the greatest Being (because the greatest Being would exists in the world too. Therefore, God exists). Most philosophers eventually laughed it off and moved on. Now, with infinite universes, it sounds a little more plausible. Luckily, we can never prove infinite universes, just like we can never prove God. Strange bedfellows indeed.