File: HartryField[1].jpg (21KB, 432x437px) Image search:
[Google]
![HartryField[1].jpg](https://i.imgur.com/tcuZVnJ.jpg "HartryField[1]")
21KB, 432x437px
>Fictionalism in mathematics was brought to fame in 1980 when Hartry Field published Science Without Numbers, which rejected and in fact reversed Quine's indispensability argument. Where Quine suggested that mathematics was indispensable for our best scientific theories, and therefore should be accepted as a body of truths talking about independently existing entities, Field suggested that mathematics was dispensable, and therefore should be considered as a body of falsehoods not talking about anything real. He did this by giving a complete axiomatization of Newtonian mechanics with no reference to numbers or functions at all. He started with the "betweenness" of Hilbert's axioms to characterize space without coordinatizing it, and then added extra relations between points to do the work formerly done by vector fields. Hilbert's geometry is mathematical, because it talks about abstract points, but in Field's theory, these points are the concrete points of physical space, so no special mathematical objects at all are needed.
Where were you when math was BTFO?
10 Posts / 2 Images
View this topic
>>
Whats your point?
>>
>>8635402
That math has been BTFO
>>
>>8636012
No it hasn't. This guy is just a nobody
File: e = mc^2.jpg (14KB, 426x283px) Image search:
[Google]
14KB, 426x283px
>in comunnity college physics course
>prof talking about light
>says light can contain energy
>tell him that can't be true cause e = mc^2
>tells me it's true
>ask him to prove it
>tells me to take his word for it
>walk out of class
>get back to class next day
>he embarrasses me in from of the whole class
>walk out
>Slash his cars tiers
Haven't been back since.
Why do schools tell us from a young age that E = mc ^2 is true if it isn't?
10 Posts / 1 Images
View this topic
>>
Same reason that they tell you that the earth is round or that climate change is real
>>
>>8634343
Did he embarrass you by proving that light does contain energy, coz your a dense mother fucker
>>
>>8634343
>this thread again
COPY PASTA IGNORE
File: 1482169803066.jpg (13KB, 480x360px) Image search:
[Google]
13KB, 480x360px
ok so imagine i want to increase my testosterone level. to do so i stop fapping and actually watch girls and stuff to maybe get more testosterone and make me horny but not fap.
will that work ?
19 Posts / 4 Images
View this topic
>>
same question but i want to decrease T level to possible minimum. maybe it helps me to become more feminine… maybe
>>
File: mengele5.jpg (30KB, 640x640px) Image search:
[Google]
30KB, 640x640px
No.
>>
>>8633845
but i read somewhere that studies show that nofap increases testosterone... and maybe if you get horny all the time it will get even higher ?
how are you sure that its not the case ?
Anonymous
i'm an engineer faggots 2017-01-27 05:28:47 Post No.8633490
[Report] Image search: [Google]
i'm an engineer faggots 2017-01-27 05:28:47 Post No.8633490
[Report] Image search: [Google]
File: d77a6855-fbc4-4ec8-b713-f4fed3d8abac.jpg (167KB, 750x918px) Image search:
[Google]
167KB, 750x918px
is Engineering is maths for brainlets or it's just a fucking comme meme from mother fuckers here ??
17 Posts / 1 Images
View this topic
>>
engineering is not math. the most math you'll take is differential equation.
>>
>>8633490
Dunno.
But the meme that engineers have terrible writing skills seems to be true.
>>
>>8633508
man i'm sorry
you know that's little sneaky brainlet friend who just happened to wait me until i went away for a while but comm'n he's a poet :)
File: 58784818_p0.jpg (946KB, 1920x1080px) Image search:
[Google]
946KB, 1920x1080px
Who is Kurisu of the 3d?
17 Posts / 3 Images
View this topic
>>
Kurisu is a dumb worthless whore who should be punched in the face repeatedly, so all women qualify.
>>
>>8633339
woah there
>>
>>8633339
>anon loses his mind after failing all the "you should be able to solve this" problem threads
File: avogadro.jpg (126KB, 949x1045px) Image search:
[Google]
126KB, 949x1045px
What's your favorite constant /sci/?
I love the Avocado constant.
52 Posts / 2 Images
View this topic
>>
>>
The Oiler constant
>>
File: maths-problems-marilyn-ftr.jpg (139KB, 1240x775px) Image search:
[Google]
139KB, 1240x775px
So which grade/year was it that you cried at being bad at math?
26 Posts / 1 Images
View this topic
>>
Since I was 14 I thought that i was terrible at math. Now I only get 10 and want to study math and physiscs.
>>
Never, within the education system. But I stupidly went to my nearest university where the courses were dumbed down
Feel lucky if you go from to of your high school to middle of the pack in university and struggling.
>>
>>8631553
Age 11/12 whenever algebra kicked in
File: 1485307388155.jpg (60KB, 650x1047px) Image search:
[Google]
60KB, 650x1047px
>tfw sausage party degree (software engineering) filled with beta maxes and fedoras
What are some meme electives course I can take that are filled with girls?
Like what courses do girls flock to?
83 Posts / 10 Images
View this topic
>>
>>8628517
Molecular biology
>>
>>8628523
I don't think I can take that one.
What are some biology meme electives that don't need prereqs?
>>
>>8628517
i'd like to put my sausage in that
File: laughing_big_guys.png (875KB, 968x745px) Image search:
[Google]
875KB, 968x745px
>he still believes in climate change
https://youtu.be/WCU6bzRypZ4
244 Posts / 60 Images
View this topic
>>
>>8626203
Oh shit, everyone stand back he's got a YouTube video.
>>
File: 1476821399126.jpg (135KB, 1280x720px) Image search:
[Google]
135KB, 1280x720px
>>8626208
That's not an argument.
>>
>>8626213
>Everything must be constructive
It wasn't meant to be an argument, just a dismissive comment.
File: Advanced Mathematics.jpg (80KB, 631x377px) Image search:
[Google]
80KB, 631x377px
Calc 2 babby here. Can someone explain what does this mean?
[eqn]\oint_C \frac{z^2}{2-z} \,dz [/eqn] where [math]C[/math] is the circumference [math] | z - 1 | = 2 [/math]
Now, this is not a homework thread. I don't care about how to solve it. Actually, I know enough about Cauchy's integral formula to solve this. I want to know what this means. I know this type of integral has to do with a generalization of Riemann sums which I can perfectly understand for real spaces but what does this mean when you are defining an integral over a circle? What is the Riemann sum actually summing? An intuitive explanation would be enough but if someone could draw the rectangles being summed then that would be amazing.
7 Posts / 1 Images
View this topic
>>
>>8635534
https://en.wikipedia.org/wiki/Line_integral
>>
The thing about complex analysis, is that you're integrating over a 4-dimensional space, or basically, something that resembles R^4.
This means there is no intuitive way of imagining complex integration, other than thinking of how line integrals work in R^3.
Imagine you're in 3D space, and draw a curve on it. Then when you integrate, you're finding the area of the lets say, Riemann rectangles under the curve. Now imagine this curve is a closed loop. You're still finding the area under the curve.
You can draw a curve in any dimensional space with 2<=n, so you can define line integrals for any such dimensional space, and in particular, n=4 (with n=2 being your normal babby integral)
>>
>>8635586
Not really. You're integrating over a 2D space with a 2D vector field defined on it. It's really just like Green's theorem.
When you do a closed loop integral that evaluates to 0 what it means is that you're just doing a line integral in a conservative field.
Complex analysis is mostly just 2D vector calculus.
File: 1485384197593.png (46KB, 619x453px) Image search:
[Google]
46KB, 619x453px
>20 years old
>kind of ignored maths my whole life
>got Bs/Cs in highschool maths because I never studied or cared
>take calculus, all of sudden the concepts are very interesting, study hard and study ahead
>in calc 2 right now, the concepts interest me and are easy to wrap mind around
>once I set up a complicated integral or something most of the time I can't solve it, because my basic algebra skills are shit, because I didn't pay attention in highschool
What do I do? I'm trying to learn all of highschool math alongside calculus and I'm kind of a brainlet.
13 Posts / 3 Images
View this topic
>>
>my basic algebra skills are shit
You gotta study algebra too then.
>>
>>8634419
Stop being a brainlet.
>>
>>8634419
fap to satorin
File: fields arranged by rigor.png (144KB, 1028x420px) Image search:
[Google]
144KB, 1028x420px
I fixed it
8 Posts / 3 Images
View this topic
>>
File: x k c d.png (166KB, 945x261px) Image search:
[Google]
166KB, 945x261px
>>8633077
>>
>>8633922
engineers pure lmaooo
>>
File: Untitled.png (20KB, 906x386px) Image search:
[Google]
20KB, 906x386px
I'm too embarrassed to ask the TA this. I feel like I've forgotten something fundamental in math.
22 Posts / 2 Images
View this topic
>>
The second one. It's homogenous either way since it includes your variable y (and it's derivative) only once.
>>
>>8631143
You can do it either way.
Easiest is this:
dy/2y = 1/5 dx
1/2 ln y = 1/5x + c
y = Ce^(2x/5)
>>
>>8631143
Am i retarded? I don't see how you algebra'd your way to option A. I only understand option B.
File: scientist.jpg (146KB, 999x997px) Image search:
[Google]
146KB, 999x997px
Hi /sci/
Let's say you were a housebound NEET.
What would be a wise scientific subject to pursue from the comfort of your hgome that you could perhaps contribute to one day?
Is the era of the lone self-taught scientific enquirer dead in an age of mass education and big research teams?
28 Posts / 4 Images
View this topic
>>
Botany
>>
Mathematics.
>>
>>8629791
Gender science. All you need is a blog.
File: snap-cover-small.jpg (16KB, 292x425px) Image search:
[Google]
16KB, 292x425px
What does /sci/ think of this?
6 Posts / 1 Images
View this topic
>>
>>8635475
Well I read the title and though "well that sounds kinda gay", then I read the author and thought "never mind, it's just retarded circlejerk". I hope that helps.
>>
>>8635478
Read the first ten chapters, and if you don't like it by then, stop.
>>
>>8635482
Nah I'm good, nothing good has ever come out of LessWrong, I don't see why this would be any different. It's like recommending I read a book written by /x/.