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Modal realism!

1. All mathematical structure exist necessarily.

2. Our universe/multiverse is a mathematical structure.

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A) Our universe/multiverse exist necessarily.

Consciousness

1'. All mathematical structure exist necessarily.

2'. Consciousness is a mathematical structure.

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B) Consciousness exist necessarily.

Premise 1 and 1' is just tagmark` s mathematical universe hypothesis. Nozick called this the principle of fecundity. It is very similar to David Lewis ` s Modal realism.

Premise 2 is plausible given all the evidences from physics.

Premise 2' is thesis of strong AI. Namely, consciousness can be derived by an execution of an algorithm. Any algorithm is itself a mathematical structure. Therefore, 2'.

What is amazing about premise A, B is that they are known to be contingent. The universe\multiverse need not exist, but they just happen to exist. Similarly, Consciousness need not exist. There need not be any subjective feeling of the self, but it just exist without much reason. Premises A, and B are necessary, because they are arrived at deductively via premises. I say the premises are pretty reasonable.

This is confusing to many people, but when i say "all possible mathematical structure exist". I don` t just mean the multiverse exist. If the multiverse exist, then our universe would be a substructure. Our multiverse would be just one out of infinitly many mathematical structures! I am say all those *other* structures exist also. Some would be total weird. Some would be similar to our universe/multiverse.

The set of "all possible mathematical structure exist" is a proper subset of the set of "all logically possible worlds". The fomer is restrictive to realities with a particular mathematical structure, while "all logically possible worlds" are not limited to worlds with a particular mathematical structure. A world could be defined in other ways other than a math structure. Here is an example:

World W: A world rule by magic as in the harry potter movies.

The world W would not be a mathematical structure, but W is a "logically possible world". To see why W is not a math structure. Math deals with stable regular patterns. That can` t happen if harry starts changing the world by the power of his spell to doom the sun, and change subatomic structures to cheese.

Another example:

World W1: is a world defined by an infinite set of propositions.

Imagine an infinite list of propositions that specific W1 in every detail imaginable. There is a proposition that specific how each atom moves in W1. Of course, no propositions can ever contradict one another.

Therefore, we define

World W1: A maximally consistent set of propositions.

1. All mathematical structure exist necessarily.

2. Our universe/multiverse is a mathematical structure.

-------------------------------------------------------

A) Our universe/multiverse exist necessarily.

Consciousness

1'. All mathematical structure exist necessarily.

2'. Consciousness is a mathematical structure.

-------------------------------------------------------

B) Consciousness exist necessarily.

Premise 1 and 1' is just tagmark` s mathematical universe hypothesis. Nozick called this the principle of fecundity. It is very similar to David Lewis ` s Modal realism.

Premise 2 is plausible given all the evidences from physics.

Premise 2' is thesis of strong AI. Namely, consciousness can be derived by an execution of an algorithm. Any algorithm is itself a mathematical structure. Therefore, 2'.

What is amazing about premise A, B is that they are known to be contingent. The universe\multiverse need not exist, but they just happen to exist. Similarly, Consciousness need not exist. There need not be any subjective feeling of the self, but it just exist without much reason. Premises A, and B are necessary, because they are arrived at deductively via premises. I say the premises are pretty reasonable.

This is confusing to many people, but when i say "all possible mathematical structure exist". I don` t just mean the multiverse exist. If the multiverse exist, then our universe would be a substructure. Our multiverse would be just one out of infinitly many mathematical structures! I am say all those *other* structures exist also. Some would be total weird. Some would be similar to our universe/multiverse.

The set of "all possible mathematical structure exist" is a proper subset of the set of "all logically possible worlds". The fomer is restrictive to realities with a particular mathematical structure, while "all logically possible worlds" are not limited to worlds with a particular mathematical structure. A world could be defined in other ways other than a math structure. Here is an example:

World W: A world rule by magic as in the harry potter movies.

The world W would not be a mathematical structure, but W is a "logically possible world". To see why W is not a math structure. Math deals with stable regular patterns. That can` t happen if harry starts changing the world by the power of his spell to doom the sun, and change subatomic structures to cheese.

Another example:

World W1: is a world defined by an infinite set of propositions.

Imagine an infinite list of propositions that specific W1 in every detail imaginable. There is a proposition that specific how each atom moves in W1. Of course, no propositions can ever contradict one another.

Therefore, we define

World W1: A maximally consistent set of propositions.

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