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Fafner

['Member']Joined: October 03, 2016 at 13:56Last active: May 28, 2018 at 12:132 discussions363 comments

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Notice that I don't wish to deny the possibility to be in state (1b), of course that is a logical possibility. What I do deny is the possibility that ...
May 27, 2018 at 10:25
But I don't see why does it have to be so. And as I said before, even if we grant that you are correct, don't you agree that if an evil demon is causi...
May 25, 2018 at 22:11
I think it's perfectly possible to ask yourself from within your own dream whether you are dreaming or not. Some people can in fact do just that (luci...
May 25, 2018 at 22:06
Sorry I'm not following... And of course the evil demon is merely an hypothesis, the skeptic doesn't actually claim to be able to prove that there is ...
May 25, 2018 at 21:54
But again, if the skeptic is only a local and not a global one, he can argue, without inconsistency, that some things cannot be doubted, while retaini...
May 25, 2018 at 21:47
Once again, the skeptic can restrict the scope of his skeptical claim and exclude the possibility of doubting one's doubt. The most interesting type o...
May 25, 2018 at 21:38
It seems to me that even if this inference is correct, it still would not refute skepticism because the skeptic need not argue for strict solipsism (i...
May 25, 2018 at 21:17
Well, if doubt can only exist when there is lack of certainty, and if one can doubt whether solipsism is an actuality, then at most it follows that so...
May 25, 2018 at 21:01
Nice to see you too @"Posty McPostface", thanks =) concerning your question, I'm not sure what you mean by "epistemological solipsism", could you elab...
May 25, 2018 at 20:47
I think the argument would still work even if you replace 'know for sure' with a simple 'know'. According to the skeptical argument, all possible evid...
May 25, 2018 at 20:33
I do not wish do deny any possibilities. But what is crucial is HOW we describe those possibilities. If we agree that (a) and (b) are logically exhaus...
May 25, 2018 at 19:53
I'm not sure what you mean here by "always logically possible". Surely if it seems to me that I see my hands, then it IS logically possible that I see...
May 25, 2018 at 19:33
This cannot be right, because obviously not everything intelligible (having truth conditions) can be experienced from a first-person perspective, e.g....
September 23, 2017 at 20:47
It seems to me that what you are proposing is some form of anti-realism, but that would be to surrender to the skeptic, rather than answer him. Becaus...
September 23, 2017 at 15:05
I'm not quite understand the question, but the basic idea is that a waking experience is a state where you experience reality as it really is (so if y...
September 23, 2017 at 12:40
Why not? That's a really extravagant claim to make for someone who calls himself a "skeptic". This simply begs the question. If this is meant as an ar...
September 22, 2017 at 16:59
You completely misunderstood my post, that's all that I can say.
September 22, 2017 at 13:25
"Objective reality" simply means that things are exactly as they appear to you perceptually (when you see a tree, there's really a tree in front of yo...
September 22, 2017 at 11:43
I didn't mean to say that hallucinations are 'unreal' in your sense, relax... When you have a hallucination of course your experience is as real as an...
September 21, 2017 at 20:56
They are sometimes real, but not always (at least they need not be, or you can't prove that they have to). I tried to show in that other post on skept...
September 21, 2017 at 20:02
The evidence is simply my perceptual state (of seeming to see that something is the case in the world). Again, you are misunderstanding what 'non-infe...
September 21, 2017 at 19:26
Now you are just using the Cartesian argument which I discussed in my other post. I thought that your 'trilemma argument' was a different argument fro...
September 21, 2017 at 18:42
What do you mean? You know that you perceive something by perceiving it, how else?
September 21, 2017 at 18:21
Know what?
September 21, 2017 at 17:57
I don't understand what you mean. If your argument fails, then it fails, which means that you haven't proved your conclusion (skepticism or whatever i...
September 21, 2017 at 17:47
My point is that your argument doesn't prove that we don't know things non-inferentially, and since most people believe that they do know things on th...
September 21, 2017 at 17:14
But that's not what I'm saying. I'm not saying that your argument is wrong because I know that there is such and such in front of me because I can see...
September 21, 2017 at 16:33
The obvious answer to this is to say that not all knowledge is based on arguments with premises as you claim. You can know many things non-inferential...
September 21, 2017 at 16:17
What's "Agrippa's Trilemma"? Would you mind explaining?
September 21, 2017 at 15:33
You completely misunderstood my argument (from that other thread on skepticism). I didn't assume that we have knowledge, or that there is a world, but...
September 21, 2017 at 14:44
Where did I make such claims?
September 21, 2017 at 13:06
But what does a 'simulation' mean? Doesn't it entail that all your experiences are illusory?
September 21, 2017 at 12:58
As philosophical arguments for skepticism, the two arguments are plainly incoherent. It doesn't make sense to doubt our knowledge of the external worl...
September 21, 2017 at 12:38
The answer is that knowing about the world is not a matter of knowing what causes your beliefs/experiences. It is true that (as a matter of scientific...
September 20, 2017 at 10:59
Evidence is connected to belief via its relation to the facts. One usually believes that such and such is the case because the evidence tells him that...
September 19, 2017 at 12:40
Fine, if you don't like the definition, then you can weaken it, e.g., evidence is something that makes what is believed more probable or likely to be ...
September 18, 2017 at 16:31
Maybe you are right about Plato and Hume, but I'm not concerned with the views of any particular philosopher, but with a generic view (or rather a for...
September 17, 2017 at 17:54
No, he doesn't say that - rather he's saying that there's no such thing as knowledge of the external world as such. See the conclusion of the skeptica...
September 17, 2017 at 17:32
It depends on what one means here by "evidence". On my understanding, having evidence for p is being in a state of such kind that you cannot be in thi...
September 17, 2017 at 15:44
I meant to exclude such cases, of course there are many ceteris paribus conditions that we must take into account. I meant that when you perceive a tr...
September 17, 2017 at 13:18
In that case, meeting my brother (or meeting my mother) is simply not an instance of you "having evidence that X is my brother/mother", because the co...
September 17, 2017 at 12:57
You have to distinguish between two senses of recognizing your evidence: a. knowing that if you have evidence of type E then you cannot be a brain in ...
September 17, 2017 at 12:33
You just repeated the world "know" here, but I asked what are the relevant conditions (according to the skeptic) for knowing such a thing? (which we a...
September 17, 2017 at 12:18
On my account there's no difference between knowing that something is a tree and knowing that something is an "external world tree", so I don't unders...
September 17, 2017 at 12:13
Again, we've been over this already. I don't know what you mean by "knowing that your experience is veridical". As it stands it just means nothing, an...
September 17, 2017 at 12:11
I didn't say that having this sort of capacity is sufficient for knowledge, that's a different question. Obviously you have to be responsive in the ri...
September 17, 2017 at 11:58
But that's not what I'm saying. Compare the case of believing that there's a tree outside because you seem to see that there's a tree outside, and jus...
September 17, 2017 at 11:34
I didn't actually deny what you said that I denied (that knowing p means ruling out p's falsehood) - and I agree with you on this. I only disputed the...
September 17, 2017 at 10:59
We've been over this already. There's no much that I can add. Again, you are just assuming here that knowing that p requires the ability to detect eve...
September 17, 2017 at 00:13
The skeptic can claim this, but as I said many times, it doesn't follow from this that we cannot know anything about the external world. As I said, in...
September 16, 2017 at 23:38