12 create your own universe tree.
13: the entire level 4 Tegmark multiverse.
14: newly discovered level 5 Tegmarkian multiverse.
15: discover ordinal hierarchy of Tegmark universes, discover method of constructing the set of all ordinals without contradiction, create level n Tegmark universe for all n
12 create your own universe tree.
13: the entire level 4 Tegmark multiverse.
14: newly discovered level 5 Tegmarkian multiverse.
15: discover ordinal hierarchy of Tegmark universes, discover method of constructing the set of all ordinals without contradiction, create level n Tegmark universe for all n