Interpretation...is it valid critique?

[rayheinrich]

" And the act is done in the physical world subject to such laws as
gravity (paint may drip and run), therefore art isn't only in your head."
Yes, the painting exists as a real object; your opinion that it is art is what
exists in your head.
my opinion doesn't affect the art.
your opinion doesn't affect the physical painting,
your opinion affects whether you think of it as art

"Does art exist in nature?"
Art can exist anywhere, the only requirement is perception.

does that mean that doubting it is art makes it art?
the only requirement for existence is perception (or doubt)!
No, doubting it is art just means you aren't sure.
We aren't sure about a lot of things.
The things continue to exist, it's our perception that changes.

"If we are not observing the art does it crease to be art?"
The painting doesn't cease to be, your opinion that it is
art continues until you change your mind or forget it.
does the same apply to trees?
Yes. You don't have any effect on the physical tree;
just on your thoughts concerning the tree.

"Where does the Art actually occur?"
In your head.
mine or yours,
Both

if it's mine than I'll be the judge of where
You can't. THAT's the part that isn't subjective.

"It cannot be proven, it's entirely figurative."
If you are implying that meaning is derived from metaphor, then yes.
hmm, maybe it's a cliche
Maybe it is, maybe it isn't. Doesn't really much matter.

"Ergo, an artist must be objective,"
He's not requiring the artist to be anything.
my words, not his. This is called deductive reasoning.
Also, I've read past the quote
The "reasoning" part is definitely subjective.

"One must not forget that art requires a physical medium (even music requires sound),"
Art doesn't require a physical medium; it's a perception.
thinking about art isn't art. It's thoughts about art.
Our perception is the art. Our thoughts can be either.

A painting requires a physical medium, perceiving it as art doesn't.
thinking about a painting is not painting, painting is an art form.
The painting is a physical object that is unaffected by out thoughts.
The art is our reaction to perceiving the painting.

"and it should be supported in one way or another by logic.
If the logic is irrefutable all the better."
Logic is optional. Some artists like to play with it, some don't.
opinion=personal preference, and vice versa, and history
and the definition of Art isn't rewritten every time we have one.
(if I don't think Monet is art, well it still is.
If you don't think a Monet is art, then it's not art for you.
But your opinion doesn't affect the zillion people who think it
is art and certainly won't keep them from laughing at you.

---

"We call language and communication art,"
Some do, some don't.
I studied language arts in grade school, we all called it language arts.
We called it "reading and writing".

"Or an assassin bug squatting over us, shoving a proboscis right through
our breast plate then sipping-(dean young). "
Or my grandmother isn't a trolly car.
existence is perception, I'm am my perception of me,
you are my perception of you, etc.
Existence is NOT perception.
You perceive yourself, me, and that tree. You don't perceive that
spider under your chair and won't until it runs out and scares
the hell out of you. The spider exists whether you perceive it or not.