/sci/ - Science & Math » Thread #12594198

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Anonymous Sun 17 Jan 22:57:55 2021 No.12594198 View Reply Original Report

Quoted By: >>12594208 >>12594274 >>12594325 >>12594358 >>12596852 >>12597770

What is this?

Anonymous

Anonymous Sun 17 Jan 2021 22:59:27 No.12594207 Report

Quoted By:

2 be or not 2 be

Anonymous

Anonymous Sun 17 Jan 2021 22:59:32 No.12594208 Report

Quoted By: >>12594238 >>12596862

>>12594198
The interval from 1 to 3 inclusive, excluding 2.

Anonymous

Anonymous Sun 17 Jan 2021 23:06:43 No.12594238 Report

Quoted By: >>12594252 >>12594259 >>12595295

>>12594208
Why exclude 2?

Anonymous

Anonymous Sun 17 Jan 2021 23:11:36 No.12594252 Report

Quoted By: >>12594258

>>12594238
Because thats what it is

Anonymous

Anonymous Sun 17 Jan 2021 23:12:54 No.12594258 Report

Quoted By: >>12594271

>>12594252
No it's not, I say it's [1,3] period.

Anonymous

Anonymous Sun 17 Jan 2021 23:13:16 No.12594259 Report

Quoted By: >>12594265

>>12594238
Why not?

Anonymous

Anonymous Sun 17 Jan 2021 23:14:56 No.12594265 Report

Quoted By:

>>12594259
Because it's an interval.

Anonymous

Anonymous Sun 17 Jan 2021 23:15:20 No.12594266 Report

Quoted By: >>12594302

Nuke everyone in this thread

Anonymous

Anonymous Sun 17 Jan 2021 23:16:37 No.12594271 Report

Quoted By: >>12594275 >>12594278

>>12594258
It's $(1,3) - {2}$

Anonymous

Anonymous Sun 17 Jan 2021 23:17:16 No.12594273 Report

Quoted By:

I say it's referring to the area created by the intersection of the interval of 1 to 2 (excluding 2) on the x axis and 2 to 3 (excluding 2) on the y axis.

Anonymous

Anonymous Sun 17 Jan 2021 23:17:25 No.12594274 Report

Quoted By: >>12594302

>>12594198
the closed interval from [1,2) to (2,3]

Anonymous

Anonymous Sun 17 Jan 2021 23:18:21 No.12594275 Report

Quoted By: >>12594278

>>12594271
My bad, typo.
It's $\[ 1,3 \] - \{ 2 \}$

Anonymous

Anonymous Sun 17 Jan 2021 23:19:23 No.12594278 Report

Quoted By: >>12594302

>>12594271
>>12594275
Fuck
$[1,3] - \{ 2 \}$

Anonymous

Anonymous Sun 17 Jan 2021 23:26:52 No.12594302 Report

Quoted By: >>12594312

>>12594274
Which is?

>>12594278
Nice typesetting doesn't make you right.

>>12594266
I agree they don't get it

Anonymous

Anonymous Sun 17 Jan 2021 23:28:37 No.12594312 Report

Quoted By: >>12594350

>>12594302
The collection of all sets between [1,2) and (2,3]

Anonymous

Anonymous Sun 17 Jan 2021 23:30:19 No.12594321 Report

Quoted By:

2 stabbed

Anonymous

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Anonymous Sun 17 Jan 2021 23:31:25 No.12594325 Report

Quoted By: >>12594350 >>12596862

>>12594198

Anonymous

Anonymous Sun 17 Jan 2021 23:39:53 No.12594350 Report

Quoted By: >>12594351

>>12594312
I think I agree but you might be skirting the question. DOES IT INCLUDE 2?

>>12594325
No by definition.

Anonymous

Anonymous Sun 17 Jan 2021 23:40:24 No.12594351 Report

Quoted By: >>12594386

>>12594350
2 isn't a set so no

Anonymous

Anonymous Sun 17 Jan 2021 23:43:44 No.12594358 Report

Quoted By: >>12594386

>>12594198
bad notation that doesn't mean anything in particular

Anonymous

Anonymous Sun 17 Jan 2021 23:55:25 No.12594386 Report

Quoted By: >>12595215

>>12594351
>>12594358
But it does mean something if you don't choose to be so pedantic!

$[1,3]$ is an interval between discrete endpoints. It only makes sense for $[[1,2),(2,3]]$ to be the interval between discrete intervals!

$[[1,2),(2,3]] = [[inf[1,2),sup(2,3]] = [1,3]$ .

Anonymous

Anonymous Mon 18 Jan 2021 04:35:59 No.12595215 Report

Quoted By: >>12595469

>>12594386
So then ([1,2),(2,3])={2}.

Seems like this new notation would not ever be useful.

Anonymous

Anonymous Mon 18 Jan 2021 05:08:12 No.12595285 Report

Quoted By:

Use the fucking union symbol you dumbass, don’t just fucking invent retarded notation.

Anonymous

Anonymous Mon 18 Jan 2021 05:13:14 No.12595295 Report

Quoted By: >>12595780

>>12594238
Because he keeps screen peeking in Goldeneye

Anonymous

Anonymous Mon 18 Jan 2021 06:36:13 No.12595469 Report

Quoted By:

>>12595215
>([1,2),(2,3])
this is not valid, period

Anonymous

Anonymous Mon 18 Jan 2021 06:51:19 No.12595502 Report

Quoted By:

wtf is this notation

Anonymous

Anonymous Mon 18 Jan 2021 09:38:50 No.12595780 Report

Quoted By:

>>12595295
Kek

Anonymous

Anonymous Mon 18 Jan 2021 17:33:07 No.12596852 Report

Quoted By:

>>12594198
It's a triangle in R^2 where the point 2 is missing

Anonymous

Anonymous Mon 18 Jan 2021 17:35:43 No.12596862 Report

Quoted By:

>>12594208
>>12594325
/Thread
OP is dumb

Anonymous

Anonymous Mon 18 Jan 2021 21:05:40 No.12597770 Report

Quoted By:

>>12594198

The 1x2 row vector having the half-open real intervals [1,2) and (2,3] for its entries.

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