[personal profile] asterroc
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Either you spewed your drinks, or you need to take more Math.

Date: 2008-03-15 01:10 am (UTC)
From: [identity profile] kadath.livejournal.com
Oh goddamn that's bad.

Date: 2008-03-15 01:22 am (UTC)
From: [identity profile] l0stmyrel1g10n.livejournal.com
meh. i wasn't paying enough attention in set theory. explain?

Date: 2008-03-15 01:41 am (UTC)
From: [identity profile] zandperl.livejournal.com
R is all the real numbers, expressible on the number line.
R2 makes that two-dimensional.

The "E" means "member of the set", but is sometimes abbreviated by saying "on" instead.

You can figure it out from there.

Date: 2008-03-15 01:46 am (UTC)
From: [identity profile] q10.livejournal.com
i don't buy it. the snakes are occupying R2, they aren't members of it. no snake is a pair of the form (x,y) for x and y in R; rather, the snakes on the plane are situated at such points (or occupy collections of such points). points are in R2 - other two-dimensional objects occupying the plane (lines, curves, polygons, et c.) do not stand in the set-theoretic membership relationship to R2.

η: for that matter, i have a B.A. in math, and most of the time i remember set-membership being pronounced ‘in’. it's likely that this is because i focused on logic and algebra - ‘on’ is probably more common in some other areas.
Edited Date: 2008-03-15 01:50 am (UTC)

Date: 2008-03-15 01:48 am (UTC)
From: [identity profile] l0stmyrel1g10n.livejournal.com
wait, i get it upon reading other people's comments. it doesn't work if you learned "e" as "element of".

Date: 2008-03-15 02:23 pm (UTC)
From: [identity profile] hrafn.livejournal.com
ohgod.

*sigh* Just when I had finally blocked all my memories of college math, too! ;) (my major)

Date: 2008-03-15 01:42 am (UTC)
From: [identity profile] q10.livejournal.com
what about the ‘...or you saw a better version of the same joke somewhere else when the movie was still at least quasi-topical’?

Date: 2008-03-15 01:43 am (UTC)
From: [identity profile] zandperl.livejournal.com
That's possible too. I hadn't.

Date: 2008-03-15 01:44 am (UTC)
From: [identity profile] meig.livejournal.com
I need to take more math. WAY more math :) But I am gong to assume it has something to do with snakes on a plane.

Date: 2008-03-15 01:46 am (UTC)
From: [identity profile] zandperl.livejournal.com
Yep. See my comment to "lostmyreligion" above for a *little* more explanation. :)

BTW I enjoy reading how you're doing in Math. It's interesting to see it from the other side of the table for me. I'm glad to see you're doing well in it. :)

Date: 2008-03-15 02:39 am (UTC)
From: [identity profile] meig.livejournal.com
I'm actually doing metric conversion crap right now. I'm not sure if it's the book or if my brain has just changed, but I am getting this stuff way more than I did in the past. This is all really basic though, anything more advanced still boggles me.

Date: 2008-03-15 06:09 am (UTC)
From: [identity profile] jrtom.livejournal.com
*snork*

(Quibble: although I never took topology or differential geometry, I have a strong suspicion that there are things that are isomorphic--even diffeomorphic--to 2 that aren't planes. :) )

Anyway, clearly the real question is whether snakes can tile the plane. ;)

Date: 2008-03-15 08:41 pm (UTC)
From: [identity profile] tiurin.livejournal.com
Ehhh. I prefer Mathematical Anti-Telharsic Harfatum Septomin.

Date: 2008-03-16 12:23 am (UTC)
From: [identity profile] weirdlilfaechld.livejournal.com
Or perhaps you just groaned.

Date: 2008-03-17 04:06 am (UTC)

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