Just looking for other answers to this.

How do you know that you know anything? How do you know you can rely on your senses? (As in: I know the rock exists because I can see the rock. How do you know you can see it?)

If knowledge is reliant upon our senses and reasoning (which it is), and we can’t know for sure that our senses are reasoning are valid, then how can we know anything?

So is all knowledge based on faith?

If all knowledge is based on faith, then is science reliable?

If all knowledge is based on faith, then what about ACTUAL faith? Why is it so illogical?

Solipsism vs Nihilism

Solipsism claims that we know our own mind exists, where Nihilism claims we don’t know that anything exists.

Your thoughts?

Original from reddit

37 points

Not all knowledge is based on faith. The flaw in this chain comes early on.

Look, I’m a Stoic, I know that my senses and the inputs they give me are flawed and those flaws are out of my control. I know that my mind is flawed and those flaws are out of my control. I also know that they’re the only tools I have to perceive the world and I have to do my best with them.

BUT.

Confidence intervals are a thing. It’s not a binary between the poles of “I know for certain” and “I don’t know at all”. We can say, “I am confident, based on multiple observations by myself and the reported observations of others, that the sun will rise tomorrow, water boils at the same temperature adjusting for altitude, and the traits of the parents and grandparents can predict the traits of the offspring via Punnett squares.”

The virtue of the scientific method is that the experiments must be repeatable. We don’t have to take it on faith. We can repeat variations of the experiment to raise or lower our confidence to acceptable levels.

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32 points

is all knowledge based on faith

It’s based on assumption, not faith. If we can trust our senses, and if things will continue to be as they have been, then the things we are learning have value. As long as you can recognize that everything could in theory end or completely change at any moment, it’s not blind belief.

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29 points

Observation isn’t reliable, that’s why science depends on falsifiability: I have observed things and drawn conclusions from those observations Here is an experiment that, given a specific outcome, will prove me wrong, please do your best to show that my conclusions do NOT adhere to your observations.

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17 points

How do you know that you know anything? How do you know you can rely on your senses?

Consistency and predictability. My only access to the world is through my senses, and my ability to navigate that world depends on my ability to understand and predict things in it.

The consistency of that model means it’s an amazingly good model of the way the world really is.

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1 point

It’s an amazingly good model of the way the world behaves.

You could turn Pacman into a linear game with branching and looping paths instead of a grid, and still be able to play. You’ve just removed the invalid options to turn left or right when up and down are the only option. But both are still not accurate models of the world as it is which is instructions running on a processor.

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2 points

Our models are imperfect, because ultimately, they are simply models of the real thing. And the fact that the model is useful and consistently effective means that despite being imperfect, they’re still pretty close.

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16 points

“God is real because I see rocks” is a pretty wild take ngl.

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