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/sci/ - Science & Math

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5922265

Anonymous Wed Jul 24 16:59:03 2013 No.5922265 [Reply] [Original]

Mathematically speaking, what is a "point"?

>>	Anonymous Wed Jul 24 17:02:33 2013 No.5922276 - an element (of a set) with no relevant substructure, which can be specified, e.g. by numbers. Often the set will have the features of what is called a manifold - a maximal ideal in the ring over...

>>	Anonymous Wed Jul 24 17:08:32 2013 No.5922291 archive.installgentoo.net/sci/thread/S5545396 archive.installgentoo.net/sci/thread/S4682464 archive.installgentoo.net/sci/thread/S4299534

>>	Anonymous Wed Jul 24 18:44:06 2013 No.5922421 >>5922265 the intersection of two lines

>>	Anonymous Wed Jul 24 19:02:01 2013 No.5922448 a bit of data?

>>	Anonymous Wed Jul 24 19:15:02 2013 No.5922468 >>5922265 That which has no parts

>>	Anonymous Wed Jul 24 19:20:32 2013 No.5922471 >>5922421 Completely wrong in many ways.

>>	Anonymous Wed Jul 24 19:21:32 2013 No.5922473 >>5922471 read some axiomatic geometry

>>	Anonymous Wed Jul 24 19:23:31 2013 No.5922476 >>5922473 Two lines can intersect to a line, or to the empty set. In spherical geometry they can intersect to 2 points.

>>	Anonymous Wed Jul 24 19:25:01 2013 No.5922481 http://en.wikipedia.org/wiki/Primitive_notion

>>	Anonymous Wed Jul 24 19:25:32 2013 No.5922478 >>5922265 Something this thread doesn't have.

>>	Anonymous Wed Jul 24 19:33:31 2013 No.5922493 >>5922476 case one: you only had one line to begin with case two: where two lines intersect... is a point. you don't have one

>>	Anonymous Wed Jul 24 19:35:03 2013 No.5922494 >>5922476 In spherical geometry, a point and its mirror through the center of the sphere are really the same point. So different lines always intersect at exactly 1 point.

>>	Anonymous Wed Jul 24 19:39:33 2013 No.5922499 >>5922494 That's elliptic/projective space, which is locally spherical but not the only instance of spherical geometry. You know, given that there is also the sphere itself. >>5922493 >case two Hint: try parallel lines

>>	Anonymous Thu Jul 25 05:47:32 2013 No.5923194 File: 68 KB, 500x330, 5464756321_1ce161374e.jpg [View same] [iqdb] [saucenao] [google]

>>	Anonymous Thu Jul 25 05:50:01 2013 No.5923198 https://archive.installgentoo.net/sci/thread/S5922265#p5922265

>>	Anonymous Thu Jul 25 06:44:31 2013 No.5923232 bnmnsDg

>>	Anonymous Thu Jul 25 17:36:02 2013 No.5924237 >>5922481 >undefined concept Doesn't that contradict logic?

>>	Anonymous Thu Jul 25 17:58:32 2013 No.5924294 >>5922265 >math cant count It's true, math cant count > /thread

>>	Anonymous Thu Jul 25 18:09:02 2013 No.5924328 >>5924294 >ethics is a potential mathematical field pppffffffffffffffft

>>	Anonymous Fri Jul 26 09:16:00 2013 No.5925551 >>5924328 But it is.

>>	Anonymous Fri Jul 26 19:28:40 2013 No.5926558 >>5924328 Ethis is application of logic. Logic is math.

>>	Anonymous Sat Jul 27 04:51:40 2013 No.5927428 >>5926558 No, mathematics is a part of logic.

>>	Anonymous Sat Jul 27 19:38:26 2013 No.5929103 >>5927428 Wrong. Logic is a field of math.

>>	Anonymous Sun Jul 28 16:49:38 2013 No.5930818 A mark or dot used in printing or writing for punctuation, especially a period.

>>	Anonymous Mon Jul 29 04:56:39 2013 No.5932150 >>5929103 Logicians study logic, not maths.

>>	Anonymous Mon Jul 29 18:50:39 2013 No.5933587 >>5932150 Logicians are mathematicians. A philosopher lacks the math knowledge to understand logic.

>>	Anonymous Mon Jul 29 18:53:09 2013 No.5933599 >>5933587 You are an idiot.

>>	Anonymous Mon Jul 29 18:57:09 2013 No.5933609 >>5922265 Mass A+B=MassGeneral Welcome to the Non-Rel. World boys

>>	Anonymous Mon Jul 29 19:01:11 2013 No.5933620 >>5922276 >an elemnt of a set This.

>>	Anonymous Tue Jul 30 06:48:39 2013 No.5934717 >>5933620 Not every set has a geometic meaning.

>>	Anonymous Tue Jul 30 06:51:09 2013 No.5934724 >>5933587 yfw math is just applied logic, not the other way around

>>	Anonymous Tue Jul 30 18:10:39 2013 No.5935898 >>5934724 Logic is a branch of math.

>>	Anonymous Tue Jul 30 18:17:09 2013 No.5935919 >>5935898 Invented by a biologist. Math. oh Anon.