You have already asked these 3 questions and had them answered: http://lesswrong.com/lw/btv/seq_rerun_on_being_decoherent/6f5f
To clarify the answer at point 3, if you phase shift by half a cycle and add, well, that’s called ‘subtraction’.
Thanks; sorry about the duplicate question post, I had not been able to find the “replay” version of this particular article.
You have already asked these 3 questions and had them answered: http://lesswrong.com/lw/btv/seq_rerun_on_being_decoherent/6f5f
To clarify the answer at point 3, if you phase shift by half a cycle and add, well, that’s called ‘subtraction’.
Thanks; sorry about the duplicate question post, I had not been able to find the “replay” version of this particular article.