@kennethamy,
There have been some good posts, and I even had one of those "Gestalt shift" moments where I could clearly "feel" one of the alternative points of view. It was fun. But, alas, I have switched back to my old ways. As a second "alas", it didn't seem anyone took me up on trying to express an opposing view in ones own words as a means for better understanding it.
Then as a third "alas", I said I hoped to avoid semantic arguments. Maybe philosophy is nothing more, and hence it can't be avoided. I'll make a comment on three tendancies I see, and then move on.
First, I see a game where the words "truth" and "reality" are being played off against each other. Whatever word one uses, there is a certain fixity to the universe. Manipulating relationships between words to allow a subjective definition of truth doesn't eliminate that fixity. Don't confuse definitions with things.
Second, I've seen the "infinity" argument before - that the weight of our "unknowing" drowns our "knowing". It's a clever, but empty argument. As an analogy, suppose I tell someone that I know 6 * 9 = 54. They then ask me what 312 * 615 is. I don't have that memorized, and so, in a sense, I don't "know" it. They follow by explaining that in this way, there are an infinite number of multiplication problems that I don't know. While true, that fact in no way negates that I know 6 * 9 = 54.
Third, "perception relative to our biology" is also an interesting, but flawed argument. It attempts to make truth relative by noting things such as the fact that a hot stove is only damaging to our biology. Maybe a biology exists where it is not damaging, or maybe a biology exists that doesn't even perceive "hot". Again, while that is a possibility, it does not make truth subjective. As Douglas Adams, points out, 6 * 9 = 42 (if one is working in base-13). This does not negate the truth that 6 * 9 = 54. It merely points out that I assumed common ground (base-10), and that assumption was flawed. It is easily remedied by stating the assumption. Given base-10, 6 * 9 = 54.
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OK, now that everyone is blissfully happy and we all understand each other (I think I even saw a concession in one of the posts, but I won't assume that until after this next part) let's move on. The "Chinese Room Argument" has been in my mind lately, so I'll use that with some slight modifications.
We have a person (E) who only speaks English. He is sitting in a sound-proof room with a window. Sitting outside the room is a person (C) who only speaks Chinese. Since the room is sound-proof, they can only communicate by visual means through the window.
Person E inside the room receives audible instructions in English on how to manipulate a series of Chinese characters on cards. Person C responds with his own arrangement of Chinese characters.
From the perspective of C, he is having a conversation in Chinese with E. However, E has no idea what is going on. He doesn't even know if Chinese "exists". It is merely a series of meaningless symbols being flashed back and forth between himself and C.
Based on that scenario, does Chinese exist?
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I can think of a multitude of qualified answers that in one form or another basically attempt to say "No, Chinese does not exist in an absolute sense."
But now suppose E asks a question of A, the person giving him the audible instructions.
E: Is this a language?
A: Yes, this is a language called Chinese.
E: Prove it.
A: Arrange the cards as I instruct you, and I will predict the response of C. I will ask the question, 'What is 6 times 9?" C will reply with the Chinese characters for 54.
E: OK.
They execute the experiment. If C replies properly, does this prove Chinese exists? Again I can find loopholes that allow me to deny the existence of Chinese.
What if, in classical Douglas Adams form, C replies with an answer of 42? Does this prove Chinese doesn't exist? Does it prove Chinese exists if, after further conversation, it is discovered that C uses a base-13 number system? Does it prove Chinese existed before the question was asked, or that it will continue to exist after the proper answer is given?
Who cares? What I ask is: is this just an attempt to avoid learning Chinese? Regardless of whether it "exists" as you chose to define "existence", everyone would be better off if they just buckled down and learned Chinese.
To all these questions, I give the following reply: There comes a point where it seems one is avoiding a distasteful answer rather than honestly seeking it. It is possible to refute any argument, but at some point the refutation becomes absurd. I'm not saying this discussion has reached that point, but it easily could, and I don't intend to take it to that extreme. If someone manages a momentary Gestalt shift such that they truly see this from my perspective, then I've accomplished what I hoped for.