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Necessary Thing
RE: Necessary Thing
(April 21, 2016 at 7:34 pm)bennyboy Wrote:
(April 21, 2016 at 11:51 am)Ignorant Wrote: My objection is that, it seems, that you are suggesting that it is possible for a finite thing (e.g. helium) to be the satisfaction of an infinity of conditions (i.e. other things). I think that is logically self-contradictory.

How many points are on a one centimeter line segment?

Infinity. Consider the two points (A and B) bounding the line segment. Now remove the line connecting them, but keep A and B in the same location. How many points lie between them? Infinity. If an infinity of points remain existing, but the line segment does not exist anymore, then your question is misleading isn't it? The infinity of points you refer to are not actually existing as the finite line segment. 

[EDIT] Also, do you know of any actually existing true line segment? (i.e. any actual continuum of things/points between two locations with no empty space between them, but instead an infinity of "things"?)

Quote:Your object that infinity and the finite are necessarily incompatible don't really work, since it is different aspects of things which are either finite or infinite.

See above
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RE: Necessary Thing
(April 21, 2016 at 10:29 am)Whateverist the White Wrote:
(April 21, 2016 at 1:35 am)Ignorant Wrote: In a certain sense, we are certainly all in it together, mutually dependent on each other. However, in a different, more precise and formal sense, it does not seem to me that mutual contingency is actually possible. Consider and example:

Helium exists on the condition that two protons exist bound together. Mutual contingency would mean: Two protons bound together exist on the condition that helium exists. <= Doesn't this one seem logically backwards/circular?

But we aren't really comparing two 'things' here.  One statement is the defining condition for Helium .. something about the world.  The other is the statement anything meeting the condition is called Helium .. something as much about how language is assigned as about the world....

Well, the first is intelligible. The other statement is a tautology. If the first is a definition of helium's conditions, then the second is effectively, "Helium's conditions exists on the condition that helium exists". <= That is not mutual contingency, that is tautology.

Quote:Mutual contingency should involve two or more aspects of the world.  For example the presence of atoms with two or more protons requires an earlier existence getting cooked in a very large but less stable star.  But also the presence of atoms with two or more protons requires that the underlying material be structured in such a way as to allow atoms with more than one proton to form.  Admittedly this sure looks like a one way contingency doesn't it?  Earlier larger stars -> heavier atoms, describes which gives rise to which.  So maybe mutual contingency needs to be re-examined.  Can't let lumpers always win out over the splitters.

I think so. [EDIT] See the Homunculus Fallacy also HERE
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RE: Necessary Thing
You are very welcome Smile

I write shit all over the forum every day, so you'll find plenty of what I have to say Wink The link to my videos is in my signature if you're interested. I discuss a lot of subjects related to religion and philosophy, as well as other videos making a fool of myself for a laugh. You may find the former relevant to some things!

It helps me too to have civilised discussions, to see things from another perspective. One of my goals here especially has been trying to get a better understanding of theists, as I've never been one myself.
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RE: Necessary Thing
I've been thinking about this more, and I might now understand why I am confused.

I think that this "depends upon" or "contingent" language is being used in such a way that A is contingent on B if A makes up a part of B. So that B as a whole will not "exist", if one of its parts ceases to exist.

I find this rather strange, if this is the case. It's a complete tautology. If something is made up of parts, then if any of the parts are missing, then not all the parts are there. What are we even investigating?

I was approaching the problem with less assumptions. I was taking it to mean that the existence of entity A is contingent upon the existence of entity B if the sudden non-existence of B would cause the non-existence of A. I wasn't making any further implications as to how this is actually caused; just that it is cause and effect.

If the problem is in fact only referring to the tautological version of "contingent", then the question simply becomes whether there's some sort of infinite regression of things piled on top of other things. So the bits of the helium atom or whatever are piled onto the rest of the atom, then the atom is piled onto the fabric of reality say; so that if reality ceased to exist there would be no place for the atom to exist in. (Or we could say "reality and everything in it" is contingent upon any of the things in the reality... you see what I mean about a tautology. You could of course use a bunch of other groupings first, such as the object containing the helium atom; and then the solar system containing the object... and so on. However you want to do it. Identifying groups of entities is entirely arbitrary.)

Is reality piled onto something else? Maybe another reality of some sort. And maybe that one is piled on another, and so on. I see no logical problem with an infinite regression of piled up realities. Trying to extrapolate information about how realities themselves would interact based on the contents of a reality is the fallacy of composition. Since we have no information about how realities interact, we can't rule out any logically consistent framework. The group of "reality 1 upon reality 2" is then contingent upon "reality 1"; and so on iteratively. If we're only interested in "what is demonstrably real" then we are (currently) confining our problem to this reality alone and not any other possible existent entities.

If we're restricting ourselves entirely to this reality, and calling reality itself an entity, then this reality would appear to necessarily be the final stop (along with its contents, if you like). But if we did use my more abstract definition of contingency, then it could be circular with no final stop.
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RE: Necessary Thing
(April 23, 2016 at 8:44 pm)robvalue Wrote: I've been thinking about this more, and I might now understand why I am confused. I think that this "depends upon" or "contingent" language is being used in such a way that A is contingent on B if A makes up a part of B. So that B as a whole will not "exist", if one of its parts ceases to exist. I find this rather strange, if this is the case. It's a complete tautology. If something is made up of parts, then if any of the parts are missing, then not all the parts are there. What are we even investigating?

After reading your post, I think we are certainly approaching a common understanding of the terms, but I'm not sure we are there yet. Above, the contingency of A and B is worded a bit backwards (which could be just simple error, you tell me after I explain), and that makes a big difference. Also, The bit about the sum of its parts is getting closer, but with an important thing missing. Let me explain:

A is contingent on B if B makes up a part of A (not the other way around as you have written). So that A as a whole will not exist if one of its conditional parts ceases to exist. 

This is not a complete tautology. If something is made up of parts, and if any of the parts are missing, then the "something" is not there (as opposed to the parts not being there, as you wrote). In fact, the "something" could not exist without its parts, and so it is contingent upon them. Its own existence as that thing depends on the sum of the parts. <= An in that proposition, is contained a very important aspect of all of this. I return to the Helium atom:

A helium atom exists on the condition that two protons exist. <= That is true, but it is not the entire story. If you had a hypothetical container, and all you knew of its contents was that "two protons are in the container", without more info you can't know if you have two hydrogen atoms or a single helium atom or some other thing(s). What is that missing information? It must be an additional condition of helium's existence.

Because of previous scientific investigation, we have learned that, in order for helium to be present, the two protons must be existing in a certain way. If the protons are existing in that way, then the two protons are existing as helium. If they are not existing in that way, then helium is not existing in the container.

This directs us to perhaps an aspect I have not been clear about, or else haven't spent as much time on. Some things are made up of parts, and depend on most if not all of the parts for existence. However, the mere existence of all of the parts does not equal the existence of the thing. The sum of the parts must exist as the thing which depends on them. This principle is why it is not a tautology. Instead, A contingent on B is more of an existential definition derived, not from arbitrary language, but from scientific observation and investigation. This definition is ether more or less adequate depending on the number of true conditions (i.e. contingencies) it contains as elucidated through the scientific method. For example: 

Helium exist on the condition that two protons exist synchronously. <= That is a true definition, but an even more adequate one is: 

Helium exists on the condition that two protons exist synchronously, bound together in a nucleus. <= An even more adequate definition would be:

Helium exists on the condition that two protons exist synchronously (which exist on the condition that X exists synchronously, which exists on the condition that Y...), bound together in a nucleus (a bond which exists on the condtion that Z exists synchronously, which exists on the condition that W...), etc. 

Each condition is simultaneously a description of the what (i.e. definition) of the immediately greater whole.

Quote:I was approaching the problem with less assumptions. I was taking it to mean that the existence of entity A is contingent upon the existence of entity B if the sudden non-existence of B would cause the non-existence of A. I wasn't making any further implications as to how this is actually caused; just that it is cause and effect.

The bold part is certainly true, and it is a part of the concept for sure. If a fundamentally conditional part of the whole suddenly stopped existing, then the whole also stops existing. And if a fundamentally conditional part(1) (which is a condition of part(X) which is a condition of the whole(A)) suddenly stopped existing, then part(X) synchronously stops existing, and of course, the whole(A) synchronously stops existing. Part(1) is a part of a part of the whole, and yet the whole immediately and synchronously depends on its continued existence. Each fundamentally conditional part of the whole must exist synchronously together as  the whole(A), if the whole(A) is to exist at all.

How does part(1) cause part(X) and whole(A)? That's not relevant to this particular sort of analysis. In fact, all that this analysis requires is that part(1) really does contribute to the synchronous causing of part(X) and that part(X) really does contribute to the synchronous causing of whole(A). The "how" is an interesting question, but not for our question here. Instead, we merely rely on the findings of the scientific method which informs us that a causal relationship actually exists (e.g. like how science informed us about the part(two protons) fundamentally contributing to the causing of the whole(helium)).

Quote:If the problem is in fact only referring to the tautological version of "contingent", then the question simply becomes whether there's some sort of infinite regression of things piled on top of other things. So the bits of the helium atom or whatever are piled onto the rest of the atom, then the atom is piled onto the fabric of reality say; so that if reality ceased to exist there would be no place for the atom to exist in. (Or we could say "reality and everything in it" is contingent upon any of the things in the reality... you see what I mean about a tautology. You could of course use a bunch of other groupings first, such as the object containing the helium atom; and then the solar system containing the object... and so on. However you want to do it. Identifying groups of entities is entirely arbitrary.)

Thinking about it as piled "up" might be unhelpful. Rather, think of it as piled "in" within other things. So, the "bits of the proton" are piled "in" the protons and as the protons, which are piled "in" the helium atom and as the helium atom. What are the things piled "in" the "bits of proton" as the bits of proton? I don't know. Science may know (quarks or something, someone more knowledgeable can tell us) This thread is not looking for the answer to that question. 

Instead, this thread is asking: can this sort of questioning, in principle, go on infinitely? <OR> Does deductive logic tell us that we will necessarily arrive at some fundamental thing(s) which are not piles of anything, but which just exist without condition? It/they just exist(s). If it/they didn't exist, then nothing else could exist. If it/they stopped existing, so would everything else at the same time. Why? Because they lie at the fundamental center of every pile of parts of whole things.
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RE: Necessary Thing
OK, thank you for trying to explain Smile I think I get the gist of what you are saying.

I still think the answer is no, science cannot tell us this. It would involve extrapolation beyond what we can observe/test. If we cannot test, our conclusion requires 100% accurate and exhaustive (relevant) premises. Just basing them on "what things seem to be like" produces a speculative result; one which we have no way whatsoever to test the truth of.

In theory, there's no logical reason things can't go on forever in a certain way, out of our ability to detect. We'd have to be aware of some restriction which stops this from happening, which we can only speculate on, based on current observations. We don't get to tell reality how it behaves.

This is exactly why science is done the other way around, so that the testing comes after the premises, to see how good they are.

In short, we can never be sure we have all the relevant information to draw the correct conclusion, if we're not making predictions and checking back with reality. At best we can produce reasonable speculation. This is why philosophy alone is not an adequate tool for gaining truth about reality. It cannot simply continue to run where science leaves off with any demonstrable reliability.
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RE: Necessary Thing
(April 24, 2016 at 6:04 am)robvalue Wrote: OK, thank you for trying to explain Smile I think I get the gist of what you are saying.

I still think the answer is no, science cannot tell us this. It would involve extrapolation beyond what we can observe/test. If we cannot test, our conclusion requires 100% accurate and exhaustive (relevant) premises. Just basing them on "what things seem to be like" produces a speculative result; one which we have no way whatsoever to test the truth of.

To help me out (both in this discussion and in future ones), can you be more specific about the data I am extrapolating with, as well as the extrapolation I appear to be making?

What percentage of accuracy would you assign to the following premise?:

"Some things exist on the condition that other more fundamental things exist synchronously."

If not 100%, can you point to the deficiency? THANKS! =)
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RE: Necessary Thing
By observation, that would appear to be a reasonable conclusion, yes. Even if we go outside of observable reality, we've only claimed that some things follow the rule, so it doesn't matter what happens in the rest of reality.

The only way it could be wrong is if our current understanding is flawed. So I'll happily say that one is fine, for the sake of argument.

The extrapolation comes when you make a general statement that is always true, or a conclusion that would require more information than we can possibly get.

For example, if I said objects are always affected by gravity, that would be an extrapolation. I don't know if gravity continues to apply outside of what I can test; even less so outside of our reality (if such a thing is coherent).

The biggest problem here, that I can see coming, is what exactly constitutes a "thing".
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RE: Necessary Thing
(April 24, 2016 at 6:24 am)robvalue Wrote: By observation, that would appear to be a reasonable conclusion, yes. Even if we go outside of observable reality, we've only claimed that some things follow the rule, so it doesn't matter what happens in the rest of reality.

The only way it could be wrong is if our current understanding is flawed. So I'll happily say that one is fine, for the sake of argument.

Thanks!

Quote:The extrapolation comes when you make a general statement that is always true, or a conclusion that would require more information than we can possibly get.

For example, if I said objects are always affected by gravity, that would be an extrapolation. I don't know if gravity continues to apply outside of what I can test; even less so outside of our reality (if such a thing is coherent).

Great, thanks for the example of the concept, but what general statement have I made about something being always true? Which extrapolation did I make which you take issue with, and which data did I make it with?
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RE: Necessary Thing
You're welcome Smile

Earlier you were saying an infinite chain of contingency is impossible, something to that effect. I don't know how you could possibly know that.

I have the counter example of the existence of helium being dependent on the existence of our entire reality, which could depend on the existence of another parent reality, and so on.

If you're instead just trying to zoom in on things to see if we can find a "smallest part", then that would explain a lot of my confusion also.
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