On 09 Feb 2014, at 12:35, Craig Weinberg wrote:
On Sunday, February 9, 2014 5:39:58 AM UTC-5, Bruno Marchal wrote:
On 09 Feb 2014, at 05:25, Craig Weinberg wrote:
How do you know that you are really reading these words?
The question is ambiguous. If "really reading these words" refer to
the quale of reading those words, then I agree I can know that. But
if it means that there is a some 3p "real reality" in which I read
those "real 3p words", then I cannot know that, as I might be
dreaming.
People misread things all the time. Maybe it just feels like you
are reading them? You could be having a brain aneurism. Logically,
there is no way to prove that you are reading these words right now.
OK.
The fact that you might not really be reading these words correctly
(if at all) might be offensive to the real words. To avoid passing
judgment on those other words, we must assume that it is no more
likely that we are reading these words as it is that we are not.
This I do not understand. We don't need to be sure to act. Our
belief can be true, even when we can't be sure. We can develop some
trust in reality and our means to evaluate plausibilities.
I cannot know that I am awake, and that I will send you this mail,
but I can be pretty sure.
What is the logical proof that our belief can be true though?
That does not exist.
We just cannot know that our beliefs are true. We can hope, but that's
all. Only the insane people can "know" that they are sane. The sane
people cannot get rid of some doubt.
What is the logical way out of this?
We can hope, pray, bet, that reality is kind enough to make us wrong
when we are wrong, and hope to progress toward a big picture we can
also hope for.
If you start to have public certainties, you are doomed. We can
start by agreeing on assumptions, only. That is science or good
philosophy. I think.
Aren't all agreements and assumptions in science or good philosophy
expectations of public certainties (even the prohibition of public
certainty)?
Yes, but we can't know that, and that if why we make the assumption
explicit, even the "obvious one", like the fact that if A is true, and
if A -> B is true, then B is true.
That's why I like sense. It doesn't have to be a final truth,
Well, I have less problem with sense being the final truth, than with
sense being the starting assumption in the possibly final TOE.
but neither does it have to be an arbitrary fiction that only seems
to coincide with the truth.
It cannot be. In the AUDA theory, sense and consciousness cannot be
fiction, and have (by definition) to coincide with truth, but of
course, that is what will make them non 3p-justifiable.
Sense can appreciate itself directly, without having to define and
encode.
And that's enough for the practical 1p-life. The apes do not need a
theory of respiration to be able to respire, and nobody needs to
understand the functioning of a brain to use it, or the origin of
consciousness, to be conscious. But this does not mean that a theory
explaining consciousness without assuming it, is *necessarily* false,
like you seem to imply very often. And then we need local encoding to
communicate some sense to others, and that's why brain are handy to do
exactly that. I hope you agree that brain does some (at least)
encodings.
Bruno
Craig
Bruno
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