- Our not wanting to die is a bit of irrational behavior selected for by evolution. The universe doesn’t care if you’re there or not. The contrasting idea that you are the universe is mystical, not rational.
- The idea that you are alive “now” but will be dead “later” is irrational. Time is just a persistent illusion according to relativistic physics. You are alive and dead, period.
- A cyber-replica is not you. If one were made and stood next to you, you would still not consent to be shot.
- Ditto a meat replica
- If you believe the many worlds model of quantum physics is true (Eliezer does), then there already are a vitually infinite number of replicas of you already, so why bother making another one?
Terminal values and preferences are not rational or irrational. They simply are your preferences. I want a pizza. If I get a pizza, that won't make me consent to get shot. I still want a pizza. There are a virtually infinite number of me that DO have a pizza. I still want a pizza. The pizza from a certain point of view won't exist, and neither will I, by the time I get to eat some of it. I still want a pizza, damn it.
Of course, if you think all of that is irrational, then by all means don't order the pizza. More for me."
Are you attempting to convince him just of the sensibleness of cryopreservation, or of the whole "package" of transhumanist beliefs? I'm asking because 3-4-5 are phrased as if you were advocating mind uploading rather than cryonics.
Also, 3-4 and 5 are directly contradictory. 5 says "if you believe in the existence of replicas, why would you still care about your life?", while 3-4 say "the existence of replicas doesn't make you care any less about your own life". While it doesn't sound like a productive line of inquiry, the opposition is so blatant and direct that I'd be strongly tempted to point it out.
1 reveals a possibly deeper disagreement, and is somewhat more linked to your reply:why should he care what the universe does or does not care for? Could you possibly convince your father to accept egoism?
(Aside: are you Mowshowitz, by any chance?)
Yes.