Open problems in philosophy
"‘The problem of demarcation’ is an expression introduced by Karl Popper to refer to ‘the problem of finding a criterion which would enable us to distinguish between the empirical sciences on the one hand, and mathematics and logic as well as "metaphysical" systems on the other’."
There's no need. Next
Open problems in philosophy
"if a man born blind, and able to distinguish by touch between a cube and a globe, were made to see, could he now tell by sight which was the cube and which the globe, before he touched them?"
There's literally real people to whom this has happened I'm pretty sure, but I don't remember what the answer was, but it was in my psych class
That's the end