- Is Eve irrational?
- Can believing an unfalsifyable believe be rational?
- Can this argument be extended to believe in God?
This belief pays no rent. It's unfalsifiable precisely because it's irrelevant - there is no prediction that Eve can make which would give different outcomes based on Adam's past behavior. The belief just doesn't matter.
Separately, if she assigns 0.0 probability to anything, she's probably not actually as rational as she claims.
What if we were to take one step back and Adam didn't die. Eve claims that her believe pays rent because it could be falsified if Adam changed in character. In this scenario, I suppose that you would agree to say that Eve is still rational.
Now, I cannot formulate my arguments properly at the moment, but I think it is weird that Adam's death make Eve's belief irrational, as per:
...So I do not believe a spaceship blips out of existence when it crosses the cosmological horizon of our expanding universe, even though the spaceship's existence has no further expe