What does real even mean, by the way? Interpretation 1 with real taken to mean ‘of or pertaining to the world I’m in’ (as I would) is equivalent to Interpretation 2 with real taken to mean ‘possible’ (as Tegmark would, IIUC) and to Interpretation 3 with real taken to mean ‘likely’ and to Interpretation 4 with real taken to mean ‘important to me’.
What does real even mean, by the way? Interpretation 1 with real taken to mean ‘of or pertaining to the world I’m in’ (as I would) is equivalent to Interpretation 2 with real taken to mean ‘possible’ (as Tegmark would, IIUC) and to Interpretation 3 with real taken to mean ‘likely’ and to Interpretation 4 with real taken to mean ‘important to me’.