Originally posted by seer
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This forum is open discussion between atheists and all theists to defend and debate their views on religion or non-religion. Please respect that this is a Christian-owned forum and refrain from gratuitous blasphemy. VERY wide leeway is given in range of expression and allowable behavior as compared to other areas of the forum, and moderation is not overly involved unless necessary. Please keep this in mind. Atheists who wish to interact with theists in a way that does not seek to undermine theistic faith may participate in the World Religions Department. Non-debate question and answers and mild and less confrontational discussions can take place in General Theistics.
Forum Rules: Here
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Originally posted by Boxing Pythagoras View PostBy "traverse," I absolutely mean to say that it is possible to span a particular infinite sequence. I would dispute that this is a meaningless statement.
And this is exactly what Seer has been objecting to. He stated that he objects to the idea that time could be past-infinite (the "infinite regression" problem) because he does not believe it is possible to traverse an actual infinite quantity.
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Originally posted by JimL View Post...traversed means starting from point A at a particular point in time, and ending at point B...
Seer, at least originally, was talking about distance, not time
Originally posted by lao tzu View PostIf M is infinite, 20M = M"[Mathematics] is the revealer of every genuine truth, for it knows every hidden secret, and bears the key to every subtlety of letters; whoever, then, has the effrontery to pursue physics while neglecting mathematics should know from the start he will never make his entry through the portals of wisdom."
--Thomas Bradwardine, De Continuo (c. 1325)
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Originally posted by Boxing Pythagoras View PostI disagree that "traversal" implies endpoints. Traversing a certain distance simply means moving through all of the points which comprise that distance over some period of time.
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Originally posted by Paprika View PostIsn't the argument regarding an infinite past, the entire duration terminating in the present?"[Mathematics] is the revealer of every genuine truth, for it knows every hidden secret, and bears the key to every subtlety of letters; whoever, then, has the effrontery to pursue physics while neglecting mathematics should know from the start he will never make his entry through the portals of wisdom."
--Thomas Bradwardine, De Continuo (c. 1325)
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Originally posted by Boxing Pythagoras View PostI disagree that "traversal" implies endpoints. Traversing a certain distance simply means moving through all of the points which comprise that distance over some period of time.
No, the conversation really did take this turn when Seer was discussing the problem of infinite regression as it relates to time and events.
Well, I brought up the notion of time myself in response to seer, and he replied that he never said anything about time. But regardless, the question he poses implies time.
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Originally posted by Boxing Pythagoras View PostRight-- that specific case would have a single endpoint. However, I don't believe endpoints are necessary for a traversal. So, for the question of past-infinite time, traversal would imply having moved through all points in time which have led up to the present.
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Originally posted by JimL View PostThe key word above though BP is "moving". To traverse a distance is to incrementally "move" from point a to point b
Originally posted by JimL View PostInfinite past is an oxymoron since it would require both a beginning and and ending point, making it finite. That may be a mathamatical infinite, i'm no mathamatician, but it is not the unbounded infinity that answers to seers question.Last edited by Boxing Pythagoras; 03-15-2015, 03:48 PM."[Mathematics] is the revealer of every genuine truth, for it knows every hidden secret, and bears the key to every subtlety of letters; whoever, then, has the effrontery to pursue physics while neglecting mathematics should know from the start he will never make his entry through the portals of wisdom."
--Thomas Bradwardine, De Continuo (c. 1325)
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Originally posted by Boxing Pythagoras View PostAgain, I see nothing about moving which requires endpoints. It is entirely possible for something to move incrementally through a sequence without a starting point or an ending point.
How do you figure? When I talk about past-infinite time, I'm specifically making reference to an unbounded infinity, and discussing a model of time which does not have a beginning.
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Originally posted by JimL View Post...to begin to move within an unbounded infinite requires a starting point, Correct?
And in order to completely traverse an unbounded infinite from a starting point, there would need be and ending point, Correct?
Okay, but you've yet to make it clear how this is done, how does a finite or temporal thing pass through either an unbounded infinite distance or unbounded infinite time. How do you get to the end of that which has no end?"[Mathematics] is the revealer of every genuine truth, for it knows every hidden secret, and bears the key to every subtlety of letters; whoever, then, has the effrontery to pursue physics while neglecting mathematics should know from the start he will never make his entry through the portals of wisdom."
--Thomas Bradwardine, De Continuo (c. 1325)
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Originally posted by Boxing Pythagoras View PostTo begin to move requires a starting point. However, a thing which did not begin to move, but which has rather always been in motion, requires no starting point.
No, this is not correct. This is what I have been explicitly denying. There does not need to be an ending point in order to completely traverse something.
You don't "get to the end of that which has no end." I have explicitly denied that traversal requires "getting to the end" of something. All that is required of a complete traversal is to have occupied all points along a particular sequence.Last edited by JimL; 03-16-2015, 05:58 AM.
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Originally posted by JimL View PostYour argument now is the same argument that I've been making, i.e. that our universe, being a part, and so one with the infinite whole Cosmos, needn't have travresed anything to emerge 14 billion years ago within the Cosmos, because, though it is finite and temporal with respect to itself, it is infinite and eternal with respect to its cause. As a part of the greater and infinite Cosmos, it has always existed nor did it have need to traverse an infinite distance to emerge where it did within the Cosmos.
There does need be an ending point, if there is a starting point, but the unbounded infinite we are discussing has no starting point.
And how does something occupy all points of an unending infinite, unless it to is also an unending infinite?"[Mathematics] is the revealer of every genuine truth, for it knows every hidden secret, and bears the key to every subtlety of letters; whoever, then, has the effrontery to pursue physics while neglecting mathematics should know from the start he will never make his entry through the portals of wisdom."
--Thomas Bradwardine, De Continuo (c. 1325)
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Originally posted by Boxing Pythagoras View PostWe don't seem to be making the same argument, at all. You seem to be instituting some arbitrary distinction between "our universe" and "the Cosmos" which I do not recognize. If space-time has a past-finite temporal boundary, then it is entirely nonsensical to discuss its "emergence" from something which is temporally past-infinite. Time is either past-finite or past-infinite. It cannot be both.
I disagree that there needs to be an ending point, whether there is a starting point or not.
When did I ever claim otherwise? Again, I have been discussing a complete traversal, not necessarily a finite traversal. I reject the idea that completeness requires finitude.
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Originally posted by JimL View PostPerhaps I am misunderstanding your answer to this dilemma, but it seemed to me that by using the term traverse, you were asserting that something could begin to move at one particular point in time, and then in increments of time, pass through time in its infinite totality. If that is not your argument, then sorry for the misunderstanding, but if it is, then that seems to be logically absurd to me.
If a distance, or a passage of time, is to be traversed in its totality, and there is a starting point, then there must needs be and ending point, else how else could it be traversed in its totality?
Well of course an infinite can logically be said to span an infinite, they're both infinite. But I think this is an answer to a question that seer was not asking. Lets face it, its a confusing subject, difficult to think about, but I am getting a better understanding of it, I think, just discussing it."[Mathematics] is the revealer of every genuine truth, for it knows every hidden secret, and bears the key to every subtlety of letters; whoever, then, has the effrontery to pursue physics while neglecting mathematics should know from the start he will never make his entry through the portals of wisdom."
--Thomas Bradwardine, De Continuo (c. 1325)
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