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... let's see if I'm reading you right ... everything that has happened and will happen exists in the endless present - and it is only our perception that picks things out as "past", "present", and "future" ... if that's the case, is it possible that tomorrow I will meet a dinosaur? ... or perhaps my younger self?
Or are you simply saying that the only thing that is fully "real" is the present, that the "past" is nothing but traces of change left behind in the present (e.g., humans and dinosaur bones), and that the "future" is purely an evolved capacity for mental projection/prediction by remembering beings?
Making the assumption that I admittedly made, that an external world does not exist independent of perception, dinosaurs never existed; rather, the idea of dinosaurs exists, as a part of human experience.
The only thing that holds the concept of the past as a thing in itself is memory. As long as there is memory the past exists as something. As to the future as long as beings can deliberate then they can plan for the future. Without subjective experience the past and future are rather meaningless.
... this kind of sounds like a very sophisticated re-asking of the question "If a tree falls in the forest and there's no-one there to hear it, does it make a sound?" ... the undeniable answer here is that it did not make a sound because "sound" is interpreter-relative - "sound" requires a listener ... however, is it not also undeniable that something happened that is the physical basis for "sound"?
So let's apply the analogy ... "If a tree begins to fall in the forest and there's no-one there to remember it, does it have a past? - and if there's no-one there to predict where it will fall, does it have a future?" ... that is, does "past" require a remember? - does "future" require a predictor? ... as far as "past" goes, this does not seem to be the case ... someone can come along later, look at the fallen tree, look at the broken stump, and say "This tree fell" ... as far as "future" goes, does the fact that there is no predictor present mean that the tree will not land where a predictor would have predicted it would fall? ... so, just like the "sound" version of this question, it is undeniable that something happened - but unlike the "sound" version of this question, it seems that it may be the case that "past" and "future" do not require the presence of a "remember" nor a "predictor" ... but then again, maybe this first attempt at applying the analogy needs a little work
What you are describing is cause and effect, which can only happen in the present. The objective universe does not care what happened before or what will happen later. It is subjects that are capable of remembering and deliberating that give these features of time meaning.
... is the underlying implication here then that Aristotle never existed, Newton never existed, and so on; rather, only the ideas of Aristotle and Newton exist as part of human experience? ...
... this kind of sounds like a very sophisticated re-asking of the question "If a tree falls in the forest and there's no-one there to hear it, does it make a sound?" ... the undeniable answer here is that it did not make a sound because "sound" is interpreter-relative - "sound" requires a listener ... however, is it not also undeniable that something happened that is the physical basis for "sound"?
Yes. Newton existed in the same sense that the dinosaur existed; i.e. as an idea experienced in the present. You have never experienced something that wasn't presently occuring, but you have experienced, in the present, the idea of things that have had occured, apparently*.
A vivid hallucination of 'things to come' can be as powerful and real-seeming as a 'legimate' memory of something you did yesterday.
If one can say that there was no sound because sound requires a listener, dosen't it follow that for 'something to happen' there has to be a witness?
Events, as the word has any meaning to us at all, consist of patterns of sensual impressions: experiences. An 'event without experience of the event' is a meaningless concept.
Your criticism of what I've said about the past and future amounts to: 'Nuh-uh...that's silly" :sarcastic:
Your criticism of what I've said about the external world or lack thereof is simply wrong. You have miisunderstood me. I am not suggesting that there is no external world; how could I know that? I am claiming vigorously that it is impossible to prove that there is.
Question: Is the past and/or future real in the same sense as the present is real?
Answer (mine): No, the past and future are ideas arising from within an endless present, ideas which are experienced in the present, and which are not real (in the sense that the present is real). In other words, the past and the future are only real in that they are a part of the present; they have no 'life of their own.'
The concept of time is not the dominant factor in the universe, but rather an incidental product of a system which reflects upon itself, which acts in reference to its own previous actions: i.e. a human being. Note that I said 'previous actions;' how can this be, you ask, if I'm claiming that the past is purely imaginary? I am not saying that things do not change, or that events do not precede and succeed one another, but rather that they do so in the present; i.e. we experience them doing this in the present.
In other words, we experience the 'present experience' (which is just the dominant experience at the moment) and also the idea of the past or future experience, which exist in the present also. We then imagine that 'this happened x years ago' or that 'this will happen in x years,' when in fact everything has occurred in the present.
All of this assumes the existential foundation for reality and discounts the reality of an 'external world,' independent of perception: at least one about which anything can be known, assuming such a world exists.
Thoughts?
... I would perhaps rephrase that as "but you have experienced, in the present, things to which you attribute past occurrences" ... with your current phrasing, it sounds like you're saying that all that we experience are ideas ...
... but can't a vivid hallucination be rejected in the face of a lack of intersubjective corroboration? ...
... it seems to me that something can happen without a witness ... a tree falls and causes pressure waves to flow through the atmosphere ... but this is not sound - sound is simply an interpretation by an ear of those pressure waves ... bring in a deaf person, and they will interpret the pressure waves differently - they will feel them ... bring in yet another being with highly attuned eyes, and it will be able to see the pressure waves ... sound requires a listener; touch requires a feeler; sight requires a seer ... but falling simply requires a faller
... but are events merely invented ideas, or do they have a physical, intersubjective basis which humans happen to interpret as events? ...
Really? where did I say that? or are you just assuming... hmmmm thought so.
So the past and the future dont exist right?
What would you say to Sergei Krikalev...
Ok then, if I have misunderstood then tell me why an external world couldnt exist. You seem so sure of it so please go right ahead, Im waiting...
Check it out. I don't see the argument, just a little sarcasm. And by the way, what does this cosmonaut have to do with anything?
Here is what I just said on this subject five minutes ago. "You have miisunderstood me. I am not suggesting that there is no external world; how could I know that? I am claiming vigorously that it is impossible to prove that there is." So, I don't claim that an external world could not exist, nor am I sure that it does not.
I figured you werent aware of it.
Sergei Krikalev is an astronaut that spent over 800 days in orbit traveling 17,000 miles an hour and is said to of traveled 1/48th of a second into the future. So I'll ask again: what do you say to this if the future and past dont exist?
So its impossible to prove the external world exists?
So I guess I'll ask the same question yet again: If you didnt move out of the way of an incoming car then what hit you? How did you die? Your perceptions killed you? I dont think so...
Besides the whole reason why I use this situation is because whenever someone takes solipsism seriously they always end up being hypocritical. i.e. they always move out of the way of the incoming car.
Keep in mind Im not even scratching the surface of a rebuttal. If your pecptions only exist, then where do they come from? Your brain. What is your brain encapsulated in? Your body.... need I say more or can you fill in the blanks?