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1
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2answers
51 views

Term for skepticism about whether a concept is meaningful

What is the term for the philosophical stance that a given concept which people seem to imbue with meaning actually has no meaning, especially if this means it makes no sense to speak of believing in ...
7
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6answers
282 views

“I trust my senses” — Why does this tend to be restricted to the external senses?

I routinely come across mini-epistemologies that start with something like: Cogito ergo sum. (presupposes "I", oops!) My senses are sufficiently reliable. These days, it is often admitted that we ...
0
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5answers
283 views

What empirical evidence would exclude the Intelligent Designer hypothesis?

While there aren't indisputable (to say the least) arguments supporting the Intelligent Designer thesis, I had never seen (or imagined myself) an argument that could definitively debunk this ...
1
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2answers
41 views

Approximately what is the proportion of philosophers who support each of the main responses to scepticism?

There are lots of ways we can respond to the sceptic: the Moorean approach, externalism, contextualism or deny closure. (There maybe other common responses I've forgotten.) Very roughly, what ...
5
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3answers
303 views

Is 1+1=2 true by definition ?

Is 1+1=2 true by definition ? Or, is there a way to prove it? I'm trying to understand how do we know it's true, and how to reply if someone is skeptical or denies that 1+1=2.
6
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2answers
188 views

Kant vs Brain in the vat

If my interpretation is correct, Kant argued in the Critique of pure reason and Prolegomena that: The existence of an external world guarantees that we can intuit, conceive, etc internally. This ...
3
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4answers
745 views

Why is the Münchhausen trilemma an unsolved problem?

Why is the Münchhausen trilemma unsolved? Couldn't anybody find some reasons for proving/disproving it? Or are there other reasons for it being called "unsolved"? the trilemma If we ask of any ...
1
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1answer
159 views

Is this an example of a true contradiction?

EDIT: after - a little reflection on the critiques I've retracted my claim. The principla confusion, for me, was confusing existence as a form of the intuition & transcendentally. Kant marks a ...
5
votes
1answer
177 views

How does Descartes make contact with the world?

Descartes' cogito allows him to deny extreme sceptism; but then how does he actually make contact with the world as opposed to saying - I exist and the world is my (unconscious) invention -, i.e. ...
3
votes
1answer
162 views

What are the skepticism ideas Nagel refers to in “The Absurd”?

In Thomas Nagel's article "The Absurd", there's this note: I am aware that skepticism about the external world is widely thought to have been refuted, but I have remained convinced of its ...
5
votes
2answers
252 views

Was Karl Popper a “dedicated opponent of all forms of scepticism”? If so, why, or how?

While reading the Wikipedia article on Karl Popper, I was surprised to find that one of the article's sources, in its lede paragraph, claims that Karl Popper was a "dedicated opponent of all forms of ...
0
votes
2answers
291 views

Can we create the Matrix?

Can we fully simulate the reality for a Brain in the Vat (BIV)? For example i clone myself and connect the clone's brain to a very sophisticated computer, which simulates a part of the universe (for ...
3
votes
2answers
465 views

Inductive reasoning and justification

Most people agree that knowing something one acquired from inductive reasoning is knowledge, that is justified true belief. For example we observed for years, that Sun rises from the East, we still ...
3
votes
2answers
269 views

Convincing a brain in a vat of reality

Pondering at the arguments at wiki: In other words, if a brain in a vat stated "I am a brain in a vat", it would always be stating a falsehood. If the brain making this statement lives in the ...
3
votes
2answers
332 views

What is Kant’s strategy to overcome Humean skepticism without having recourse to the metaphysical excesses of rationalism?

I understand that by metaphysical excesses, he meant supernatural entities, such as God, or the soul, to explain things in the phenomenal world. Also, to my understanding, Hume's skepticism boils ...
2
votes
2answers
110 views

Evidence for ~P vs evidence that P is very unlikely?

Is saying that P is very unlikely, the same as saying that you believe ~P? Does it follow rationally, that if P is very unlikely, one should believe ~P? And would the evidence for P being very ...
-1
votes
1answer
123 views

Who has made the strongest case in favor of skepticism?

Which brand of skepticism is the hardest to refute or argue against? What argument has given the other theories of knowledge the hardest time?
9
votes
6answers
421 views

Claims that we know (virtually) nothing - can they be refuted?

Here's an argument that I've heard a number of times from friends and on the Internet: "The ratio of what we know about the universe to what we have yet to discover is so small - it is therefore ...
5
votes
3answers
320 views

Did Wittgenstein's maxim about doubt and knowing originate from Descartes?

Wittgenstein said, "If you cannot doubt a thing, you cannot know it." For example he said that you cannot know your pain because you cannot doubt that you are in pain. I don't quite understand this ...
11
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3answers
420 views

Does skepticism inevitably lead to ethical relativism?

In this question, I will make a slippery slope argument. It's probably fallacious, but your task is the identify the point where one step does not inevitablly lead to the next step and explain why ...
14
votes
6answers
533 views

Is it possible for a layperson to suitably evaluate scientific disputes?

As a layperson, I try not to fall victim to the Dunning-Kruger effect. As an example, one area where I know that I am vulnerable is when biochemistry intersects with nutrition and disease. Is it ...
12
votes
2answers
816 views

Are there any philosophical arguments to disprove or weaken solipsism?

My philosophy professor once told our class: The only people who believe in solipsism are infants and madmen. I was inclined to agree at the time. Yet years later, I have still not encountered any ...
12
votes
4answers
888 views

Is Skepticism the most rational standpoint?

Is Philosophical Skepticism - the one that advocates true knowledge is impossible, the most rational standpoint? I am asking this based on the observation that there are very few things whose ...
41
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17answers
5k views

Could 'cogito ergo sum' possibly be false?

I've heard it postulated by some people that "we can't truly know anything". While that does seem to apply to the vast majority of things, I can't see how 'cogito ergo sum' can possibly be false. ...