Sigh.
An Intellefundie by the name of Anthony has raised the old chestnut of 'How do we know anything?'. We have discussed this numerous times in the past, but I guess that's never stopped me before, so here we go yet again.
How do we know we really exist? Maybe we are all in the Matrix, or in the imagination of an evil demon. Maybe reality is an illusion. Maybe I'm real, but you are all simulations. How do I know anyone else really has consciousness? Maybe only I have consciousness, but the rest of you are robots? Maybe when I see red, you see blue? Maybe what I experience as pain you experience as an itch? Can I ever really understand what you subjectively feel? And if I did would I be you? If I got cloned into two people, and then you killed the original, would I be dead? What is reality anyway? What's an atom? What's a quark? Is anything actually real? Maybe we are all just information in the mind of God? Or an alien. Or the Flying Spaghetti Monster. Can God commit suicide? What happens when an immovable post gets hit by an unstoppable cannonball? How do we know God isn't just a congenital liar? How come you can wait and wait and wait for a bus and none will come, and then just when you give up and start walking, three will come together?
Well, there's been plenty of philosophical ink spilt on the above subjects, and I've read plenty of it. There's some cute philosophy books (mostly out of the UK) which go through all of these. A fun read. Especially if you're in 12th grade.
But all of this is irrelevant to us.
We assume we exist because we can think, and we also have sensory inputs. We see other people like us, so we assume they are the same. Could this be a false assumption? Yes, it certainly could be. But what possible gain could there be in thinking like this? Let's say this is all a dream. Would we act any differently? Probably not.
People assume they exist, even philosophers, and even radical skeptics. The only people who don't assume they exist are locked up in asylums. And the only people who bring up these subjects are Intellefundies desperate to try and score some points, and divert attention away from their lack of ACTUAL REASONS why their religion is true.
Now, starting with the assumption that we exist, can we please continue?
[I can see it now: The intellefundie response: 'See! All systems start with basic axioms which are unprovable! Mine are the ikkarim!'. Yes, yes. The only thing this proves is how intellectually bankrupt the intellefundies are.]
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