Basically Yes Mary can "know all there is to know about color ...." before being exposed. Yes she does learn something new when exposed to color.
But basically the knowledge of how her brain reacts to color is information that does not exist in the universe prior to her exposure. She is physically changed and the new information is thus created.
I think I have long since "dissolved the problem quite elegantly" ...
http://antiphilosopher.com/wiki/index.php/Mary,_A_Philosopher%27s_Whore_of_Color_and_Her_Knowledge_Problem
Basically Yes Mary can "know all there is to know about color ...." before being exposed. Yes she does learn something new when exposed to color.
But basically the knowledge of how her brain reacts to color is information that does not exist in the universe prior to her exposure. She is physically changed and the new information is thus created.
If her knowl... (read more)