I think that one of the roles of (a certain type of) friends is to extend your mind (in Engelbart's sense, i.e. roughly the same sense that a computer does). For example: argumentative interactions, in which mental labor is naturally and profitably divided between the For and Against side, or Creative and Skeptic.1
Why does cultural background matter? Because a set of basic concepts and dogmas is required for two people to understand each other's ideas. My dogmas are rather positivistic, and include: "mathematics never lies", "there is no problem that humans can solve and computers inherently can't", "informal reasoning can always be formalized (digitized+parsed) losslessly, with the right knowledge representations". Scientists, and AI folks in particular, will usually share these.
I'm just beginning to talk to biologists, and it is... effortful. Although books like William Cohen's "A Computer Scientist's Guide to Cell Biology" help bridge this gap.
Knowledge of popular culture seems to be very important among geeks in North America. I haven't seen people enthusiastically spout movie quotes anywhere else. Europeans, for example, have to deal with a Tower of Babel among themselves, and generally don't seem to expect anyone to have read the same books. It's just not a thing they do there.
Another lazy man's view of like-minded intellectual friends is that they infect you with their best memes, already filtered and interpreted and critiqued into your conceptual system, so you don't have to. Also, they probably have (or have had) some of the same questions as you, and made some progress (or solved them), so you can share notes.
1 - if you're sufficiently detached and flexible of mind, you can always have the argument with yourself, by switching sides, but this comes with a certain overhead. As an example of this, Paul Graham talks about writing as a tool for thinking, and I couldn't agree more. Paul Graham is precisely the kind of geek with whom I'd enjoy a speculative, discovery-oriented conversation of the kind I have with my geek friends. Persuade XOR Discover
Why does cultural background matter? Because a set of basic concepts and dogmas is required for two people to understand each other's ideas. My dogmas are rather positivistic, and include: "mathematics never lies", "there is no problem that humans can solve and computers inherently can't", "informal reasoning can always be formalized (digitized+parsed) losslessly, with the right knowledge representations". Scientists, and AI folks in particular, will usually share these.
I'm just beginning to talk to biologists, and it is... effortful. Although books like William Cohen's "A Computer Scientist's Guide to Cell Biology" help bridge this gap.
Knowledge of popular culture seems to be very important among geeks in North America. I haven't seen people enthusiastically spout movie quotes anywhere else. Europeans, for example, have to deal with a Tower of Babel among themselves, and generally don't seem to expect anyone to have read the same books. It's just not a thing they do there.
Another lazy man's view of like-minded intellectual friends is that they infect you with their best memes, already filtered and interpreted and critiqued into your conceptual system, so you don't have to. Also, they probably have (or have had) some of the same questions as you, and made some progress (or solved them), so you can share notes.
1 - if you're sufficiently detached and flexible of mind, you can always have the argument with yourself, by switching sides, but this comes with a certain overhead. As an example of this, Paul Graham talks about writing as a tool for thinking, and I couldn't agree more. Paul Graham is precisely the kind of geek with whom I'd enjoy a speculative, discovery-oriented conversation of the kind I have with my geek friends. Persuade XOR Discover
(no subject)
Date: 2009-09-25 12:14 am (UTC)I rather like but I don't agree with There are also surprises to be had learning new justification for what you already believe. When I learned category theory, I learned that a lot of the things I already knew fit into certain patterns; I never had a strong prior belief that they didn't fit into patterns that was contradicted. I think it's also possible for an essay about a much less formal topic to uncover a good, novel argument that by coincidence is for what you already believe in --- it's just very risky to set out looking for it, because it's easy to be biased by the fact that you already have those beliefs when evaluating its goodness and novelty.
(no subject)
Date: 2009-09-25 12:35 am (UTC)(no subject)
Date: 2009-09-25 06:35 am (UTC)(no subject)
Date: 2009-09-25 07:51 am (UTC)Truth-finding dialogs, and dialogs that simulates the arguments between lawyers in a court. The difference is whether the agents in the dialog accept other people's norms about what is acceptable/unthinkable.
The former is easier for me. The latter requires simulating other people's values and taboos.
(no subject)
Date: 2009-09-25 07:24 pm (UTC)(no subject)
Date: 2009-09-25 07:27 pm (UTC)(no subject)
Date: 2009-09-25 07:36 pm (UTC)<< I'm curious why you think there are no inherent limits on computers' ability to solve the problems human brains can. >>
I'll believe in an inherent limit when you show me some problem that humans can solve and a proof that computers inherently can't do it. (I don't think it can be done)
When I talk about capturing informal reasoning, I'm including fallacies too. The point is that anything you call "reasoning" will be a symbolic process. Intuitions can be represented symbolically. (Though this isn't so meaningful, since I also believe that everything can be represented symbolically; my dogma is specifically about a certain level of description that pertains to logical arguments)
(no subject)
Date: 2009-09-25 08:10 pm (UTC)