That just moves it up a level. If she is rational, she’ll say “if our relationship was genuine, I want to believe it was genuine. If our relationship was not genuine, I want to believe it was not genuine”.
The OP and most of the discussion has missed the fundamental premise of rationality: truth-seeking. The question is not “is Eve rational”, but “is Eve’s belief (including acknowledgement of uncertainty) correct”?
“If Adam is guilty, then the relationship was not genuine.” Am I on the right track? or did I misunderstood your question?
That just moves it up a level. If she is rational, she’ll say “if our relationship was genuine, I want to believe it was genuine. If our relationship was not genuine, I want to believe it was not genuine”.
The OP and most of the discussion has missed the fundamental premise of rationality: truth-seeking. The question is not “is Eve rational”, but “is Eve’s belief (including acknowledgement of uncertainty) correct”?