Argument For Cartesian Skepticism

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There are two kinds of skepticism, local skepticism, which states that some areas of inquiry don’t allow for knowledge, and global skepticism, which states that we cannot know anything about the world, (Bogosian). One of the most common arguments for skepticism is the Brain in a Vat argument, which is very similar to the argument of the Evil Demon who controls us. In opposition to this is a philosopher by the name of Hilary Putnam, who uses language as proof for us not being brains in vats. I am going to explain to you why I think that Putnam is correct.
“If you cannot be sure that you are not a brain in a vat, then you cannot rule out the possibility of all of your beliefs about the external world being false.” (Bruekner, 2004) I believe that the best argument for Cartesian Skepticism is the brain in a vat argument. In this argument, they explain that you could actually just be a brain that is hooked up to a computer program that simulates experiences of the outside world, all experiences are fed to you through this machine (Hickey N.D.). The brain in a vat argument is similar to ...

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