(January 18, 2016 at 12:12 pm)ChadWooters Wrote:(January 18, 2016 at 3:13 am)Thumpalumpacus Wrote: The switches in the brain, those are facts. The thoughts in the brain, those are abstractions.The thought problem raises the question as to whether there are facts about which someone can have knowledge that cannot be reduced to purely physical processes. Mary learns something. Of what does she learn? How does an independent observer confirm what she has learned?
I trust you know the difference.
By comparing what she reports to what others report, of course. It's not that difficult. You're overthinking it.