What Mary Didn't Know

There's one thing I just can't seem to get out of my head.
This, is a part of it. Right now I'm soooo confused. Since I started my theoretical philosophy education my knowledge has decreased. At this very moment, I know... Probably nothing. Or, of course I know something but even though I might do so, there's no way I could explain that to someone else.

I listened to a podcast today about open individualism and I came across a thought experiment that explains it all very well.

"Mary is a brilliant scientist who is, for whatever reason, forced to investigate the world from a black and white room via a black and white television monitor. She specializes in the neurophysiology of vision and acquires, let us suppose, all the physical information there is to obtain about what goes on when we see ripe tomatoes, or the sky, and use terms like ‘red’, ‘blue’, and so on. She discovers, for example, just which wavelength combinations from the sky stimulate the retina, and exactly how this produces via the central nervous system the contraction of the vocal cords and expulsion of air from the lungs that results in the uttering of the sentence ‘The sky is blue’. [...] What will happen when Mary is released from her black and white room or is given a color television monitor? Will she learn anything or not?"


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