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Jesus as Lord - why is this appealing to so many?
RE: Jesus as Lord - why is this appealing to so many?
(February 13, 2018 at 9:05 pm)RoadRunner79 Wrote:
(February 13, 2018 at 8:05 pm)Grandizer Wrote: Forget the hotel example.

Let's do set theory. Complete as in every possible element of an infinite set of integers (infinite both ways) is already there. How can you add more new elements to the set when it's complete?

You can simultaneously add +1 to each of the elements, sure, and each of the elements will then increase by 1, but it would still be the same infinite size because it's complete (I think, correct me if wrong, guys).

You ask, how can more numbers be added if it is complete, but by definition an infinite amount is never completed.    I think you are switching to sets now, because you can abstractly complete the set just add "..." .  You loosely define it, to include any possible integer.   You want to increase the set... you just loosen the definition.  So you either end up with a contradiction (it is both complete and not complete at the same time in the same way).   Or what you mean by complete is not the same.  Or you mean infinite in another way.

I switched to sets for your sake, not mine. We can go back to Hilbert's Hotel if that's what you really want. Hilbert's Hotel is completely occupied in terms of all rooms representing each integer from 0 to positive infinity. So represented by the infinite set of all whole numbers. But we can also change the example so that the hotel is infinite both ways, and there are rooms representing negative integers. Doesn't matter.

Complete, in the context of infinity, means every element of the concerned infinite set or sequence or whatever you want to call it, is there. And yes, in mathematics, infinite sets like infinite sets of integers are complete already. But what I cannot do is then represent that literally in writing because then it would be me trying to complete a potential infinity (assuming classical concepts of motion and time). What I write or draw is different from what is in the abstract math world.

But even going back to Existence itself, there is nothing logically impossible about actual infinities existing. So long as they are already complete, I need NOT complete anything. And so logically, it can exist in the real world. That's the logic. What you seem to have a problem with is how can a complete actual infinity be a thing? But this is more a problem with your intuition rather than with logic (so incredulity is not enough, you need to demonstrate on paper that it is a logical problem).

No one can perhaps really fully grasp infinity intuitively, but part of what's amazing about it is that it's counterintuitive. There are no contradictions happening with infinity, only apparent paradoxes. This is expected when we're dealing with infinity.
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RE: Jesus as Lord - why is this appealing to so many?
It's telling that no one can actually find and post a link or quote that shows an actual infinite of concrete objects (or events) is logical.
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 12:22 am)Grandizer Wrote:
(February 13, 2018 at 9:05 pm)RoadRunner79 Wrote: You ask, how can more numbers be added if it is complete, but by definition an infinite amount is never completed.    I think you are switching to sets now, because you can abstractly complete the set just add "..." .  You loosely define it, to include any possible integer.   You want to increase the set... you just loosen the definition.  So you either end up with a contradiction (it is both complete and not complete at the same time in the same way).   Or what you mean by complete is not the same.  Or you mean infinite in another way.

I switched to sets for your sake, not mine. We can go back to Hilbert's Hotel if that's what you really want. Hilbert's Hotel is completely occupied in terms of all rooms representing each integer from 0 to positive infinity. So represented by the infinite set of all whole numbers. But we can also change the example so that the hotel is infinite both ways, and there are rooms representing negative integers. Doesn't matter.

Complete, in the context of infinity, means every element of the concerned infinite set or sequence or whatever you want to call it, is there. And yes, in mathematics, infinite sets like infinite sets of integers are complete already. But what I cannot do is then represent that literally in writing because then it would be me trying to complete a potential infinity (assuming classical concepts of motion and time). What I write or draw is different from what is in the abstract math world.

But even going back to Existence itself, there is nothing logically impossible about actual infinities existing. So long as they are already complete, I need NOT complete anything. And so logically, it can exist in the real world. That's the logic. What you seem to have a problem with is how can a complete actual infinity be a thing? But this is more a problem with your intuition rather than with logic (so incredulity is not enough, you need to demonstrate on paper that it is a logical problem).

No one can perhaps really fully grasp infinity intuitively, but part of what's amazing about it is that it's counterintuitive. There are no contradictions happening with infinity, only apparent paradoxes. This is expected when we're dealing with infinity.

I'm not all that concerned about the hotel or the library either.  My point is that you started talking about sets, because then you can have a concept, but my question is about what that concept represents.  

My problem is that it is easy in concept to just say that it is complete.   This is because nothing ever needs to be complete (which is good, because by definition infinity is never complete)  The problem is how do you have an actual infinity when there is always something more.   In concept, we can use the magic ellipses  1+2+3....+N  to say that the set is complete.  However those ellipses represent something, and that representation keeps going on forever.    In what way is it complete if it keeps going.   What I am asking (and doubting) is that you can ever tie this abstract to something physical.   Even if you are granted any  starting condition you like (infinity always requires more).

Aristotle Wrote:Infinity turns out to be the opposite of what people say it is. It is not 'that which has nothing beyond itself' that is infinite, but 'that which always has something beyond itself'.

Logically, how can it be complete, and never complete at the same time?

(February 13, 2018 at 11:43 pm)polymath257 Wrote:


Also, just to emphasize again, I have no doubt, that you can potentially make up numbers forever in your head (at least hypothetically).  What I doubt is an actual infinity of physical things.  What is it that you are saying that these numbers represent?

What I think that you are saying, is that there are an infinite number of positions (points) which have zero size in and of themselves, that you can envision on that line. You could potentially always envision another point of subdivision for any set of points I could give.   Would you agree that this represents what you are saying?    My contention is that these points are just an abstract.  There are not an infinite number of things on the line, and you don't even really need the line.
It is said that an argument is what convinces reasonable men and a proof is what it takes to convince even an unreasonable man.  - Alexander Vilenkin
If I am shown my error, I will be the first to throw my books into the fire.  - Martin Luther
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 7:43 am)SteveII Wrote: It's telling that no one can actually find and post a link or quote that shows an actual infinite of concrete objects (or events) is logical.

Well, we do not know if space is infinite in extent. If it is, there are an infinite number of stars.

I can show you any number of physics books that assume an infinite time into the past. It isn't a *logical* problem. Whether it is reality is another thing. But the problem isn't the logic.
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 9:28 am)polymath257 Wrote:
(February 14, 2018 at 7:43 am)SteveII Wrote: It's telling that no one can actually find and post a link or quote that shows an actual infinite of concrete objects (or events) is logical.

Well, we do not know if space is infinite in extent. If it is, there are an infinite number of stars.

I can show you any number of physics books that assume an infinite time into the past. It isn't a *logical* problem. Whether it is reality is another thing. But the problem isn't the logic.

Plus, I don't see why not? There has to be something way more beyond just this local universe. Even if this universe is our limit as human beings, it doesn't mean that out there, there isn't the "beyond" that is an illustration of actual infinities.
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 8:25 am)RoadRunner79 Wrote: Also, just to emphasize again, I have no doubt, that you can potentially make up numbers forever in your head (at least hypothetically).  What I doubt is an actual infinity of physical things.  What is it that you are saying that these numbers represent?

What I think that you are saying, is that there are an infinite number of positions (points) which have zero size in and of themselves, that you can envision on that line. You could potentially always envision another point of subdivision for any set of points I could give.   Would you agree that this represents what you are saying?    My contention is that these points are just an abstract.  There are not an infinite number of things on the line, and you don't even really need the line.


And once again, the question was whether a completed infinity is *logically* problematic. You have just admitted it isn't.

I agree the question is open whether it actually happens in the real world (let alone how we could verify that fact). But there is no *logical* problem with an infinite regress, or infinitely many galaxies, etc. Nobody expects an infinite amount of stuff in an enclosed location.

(February 14, 2018 at 9:33 am)Grandizer Wrote:
(February 14, 2018 at 9:28 am)polymath257 Wrote: Well, we do not know if space is infinite in extent. If it is, there are an infinite number of stars.

I can show you any number of physics books that assume an infinite time into the past. It isn't a *logical* problem. Whether it is reality is another thing. But the problem isn't the logic.

Plus, I don't see why not? There has to be something way more beyond just this local universe. Even if this universe is our limit as human beings, it doesn't mean that out there, there isn't the "beyond" that is an illustration of actual infinities.

It isn't really clear to me what you are asking about. It is *possible* that space curves around on itself and is finite in extent. Currently, the *bet* is that this is not the case and that space is actually infinite. But it could be curved and just very, very big.
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 9:28 am)polymath257 Wrote:
(February 14, 2018 at 7:43 am)SteveII Wrote: It's telling that no one can actually find and post a link or quote that shows an actual infinite of concrete objects (or events) is logical.

Well, we do not know if space is infinite in extent. If it is, there are an infinite number of stars.

I can show you any number of physics books that assume an infinite time into the past. It isn't a *logical* problem. Whether it is reality is another thing. But the problem isn't the logic.

First, an infinite number of stars? If it wasn't apparent before, it sure is now--you don't know what you are talking about.

Second, if such a thing appears in "any number of physics books" then it should not be hard to paste a link so at least someone could explain it. SHOW US YOU HAVE NOT MADE THIS ALL UP! Is that asking too much!!
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 8:25 am)RoadRunner79 Wrote: I'm not all that concerned about the hotel or the library either.  My point is that you started talking about sets, because then you can have a concept, but my question is about what that concept represents.  

My problem is that it is easy in concept to just say that it is complete.   This is because nothing ever needs to be complete (which is good, because by definition infinity is never complete)  The problem is how do you have an actual infinity when there is always something more.   In concept, we can use the magic ellipses  1+2+3....+N  to say that the set is complete.  However those ellipses represent something, and that representation keeps going on forever.    In what way is it complete if it keeps going.   What I am asking (and doubting) is that you can ever tie this abstract to something physical.   Even if you are granted any  starting condition you like (infinity always requires more).

An actual infinity is complete (I'll even dare say it's be definition). You're probably confusing it with potential infinity (maybe), and that is what is getting you all confused.

And yes, the ellipses we write them in, partly because we're human beings, we're not going to have all the time in the world to write the whole set literally. But it doesn't mean reality (especially when extending way beyond this local universe) isn't an example of a complete infinity represented by these sets.

(February 14, 2018 at 9:34 am)polymath257 Wrote: It isn't really clear to me what you are asking about. It is *possible* that space curves around on itself and is finite in extent. Currently, the *bet* is that this is not the case and that space is actually infinite. But it could be curved and just very, very big.

Meh, I can live with that. Tongue
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 7:43 am)SteveII Wrote: It's telling that no one can actually find and post a link or quote that shows an actual infinite of concrete objects (or events) is logical.


So you're saying unless we can provide evidence to contradict your bald assertion, what you said must be correct?  For people who actually care about the truth, that isn't how it works.
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RE: Jesus as Lord - why is this appealing to so many?
(February 14, 2018 at 7:43 am)SteveII Wrote: It's telling that no one can actually find and post a link or quote that shows an actual infinite of concrete objects (or events) is logical.

My god, the irony.
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