User blog comment:B1mb0w/Rule 2B/@comment-5529393-20160207015116/@comment-10262436-20160218022508

Hi Deedlit11

I am working my way through some evaluations based on phi(1,b)^^w = phi(1,b + 1) which I accept, finally, but it leads me to a Question with two possible answers.

I guess you will confirm Answer B is correct, but how do we rule out Answer A ?

Appreciate your help ?

B1mb0w