@starvinggamer said:

@selfconfessedcynic said:

@starvinggamer said:

@selfconfessedcynic said:

@starvinggamer @golguin

Oh, by the way, I'd love to get on steam chat or (preferably) mumble with you guys and hash out the time travel and creation interpretations of the ending. Even better if we record it.

Let me skim that thread first and decide just how much of a fool I would be making out of myself :D

@golguin: Nice find, added to the OP

Hah, understandable!

I'm selfconfessedcynic on Steam (surprise!) so feel free to add me there if you wish.

You guys seem to be a lot more knowledge about quantum mechanics and MWI than me, so a quick question. Does MWI account for inter-dimension travel? Like, if I roll a die in Universe A, does MWI account not only for all six sides of the die coming up, thus creating Universe A1-A6, but also for the die disappearing from Universe A entirely (A7) and slipping into Universe B, thereby creating B1-6, ad infinitum?

Hm - by my understanding yes and no. To be clear, Quantum Mechanics is the set of laws physicists apply to the very very small - generally subatomic particles. What Irrational Games did with Bioshock Infinite (at least, how I choose to interpret it) is to apply the laws of quantum mechanics to the "real world" or, more precisely, classical systems such as people, objects, etc. YOU SHOULD NEVER DO THIS, but as they have, I tend to try and interpret the game from this viewpoint.

So let us consider your example of a single die - if there were a subatomic particle in quantum superposition (existing in all of its possible states, unobserved), and that consists of 6 possible states, once we observe the particle (read: see the die after rolling it), we see one possible outcome. In the Many Worlds Interpretation, that event of observation has spawned 5 other universes at a minimum in which the other probabilities are attained (or in Bioshock Infinite, other universes where the die would have landed on a different face assuming it isn't a constant in the originating universe).

The only point where the MWI would account for universes such as a universe where the die disappears entirely into another universe is if there exists a probability of this happening within the bounds of the experiment, and this is linked to the superposition state. So in general, the answer would be no.

BUT

In the world of Bioshock Infinite where moving between dimensions is possible for people, and instead of superposition states we're talking about decisions made by said people, then there is a possibility of Elizabeth deciding to move through a tear or not. So it Would account for her both not going through a tear and choosing to go through - again, assuming this isn't a constant.

To be specific - by MWI, we can generally say that if her choice to go through a tear or not is binary and of equal probability then this would spawn two universes. From there her choice of moving in a specific direction after exiting the tear (if not a constant) can spawn infinite universes accounting for the arc representing the directions human bio-mechanics would dictate she can decide to move after exiting the tear. What she sees after that movement, which would effect future decisions, would be based on a probability space created by the arc her eyes could move at depending on that initial movement.

In such a way, we create infinite possibilities **after** moving through a tear (and equivalently in the universes she didn't) - but in the moment of her deciding to move through the tear or not in the world of Bioshock Infinite, only two universes exist where that specific instance of her made that choice. It is because of this that a combined time travel and multidimensional travel theory makes so much sense to me.

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