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Okay so this is bugging me
1 ÷ 3 = .333- (one third)
But
.333- × 3 = .999
3/3rds is less than one according to our math?
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>>8933284
WELCOME
TO
THE MACHINE
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>>8933284
>3/3rds is less than one according to our math?- 2 posts and 1 image reply shown.
Yes.
http://aynrandlexicon.com/lexicon/infinity.html
http://aynrandlexicon.com/lexicon/mathematics.html
Anonymous
Evidence for Scientific Revolutions 2017-05-24 09:13:36 Post No.8933240
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Evidence for Scientific Revolutions 2017-05-24 09:13:36 Post No.8933240
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Evidence for Scientific Revolutions
Anonymous
2017-05-24 09:13:36
Post No. 8933240
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Please /sci/ I'm desperate,
In 2016 I read an article about a scientific study that correlated changes in approaches in various scientific fields with the dates leading scholars died. The authors empirically identified a surge in creativity 1-3 years after leading scholar's death. It supported Kuhn's idea of paradigm shifts.
Problem: I can't find the paper nor the web article I read. I tried everyone. Did anyone read this and could share references? Please?
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Please, someone :(
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Time to get rid of the old guard.
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>>8933240
I remember reading that exact passage in the book. I'll see if I can find it, opee
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>americans legitimately believe that 'ztimulated' is word
anyone that spells laser as 'lazer' please confess your sins in this thread.
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>>8933083
I bet you pronounce GIF as jiff
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>>8933091
i pronounce it as yiff, actually.
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>>8933083
You ever realize the color of paki skin? We just call'em "colored".
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How come babies don't drown in the womb the moment their hearts start beating and the brain activates...?
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they are constantly being fed oxygen and nutrients from the mother and tissues surrounding them
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>>8932850
Could you theoretically do the same with a artificial womb
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>>8932854
sure, theoretically
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/sci/, britbong here.
i have a gcse maths non-calculator resit (failed 2 years ago because brainlet, grew up in a bad area before getting redpilled).
What do I need to know? Any bongs here to help me out?
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>>8932795
how the fuck do you fail its just basic maths
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>>8932795
grow a brain
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>>8932795
I can help but what do you mean? Like everything in the syllabus?
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Good ol' /sci/ humor thread
more like pic related pls.
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Welcome to the age of degradation and the demise of the stars. Most of the ordinary matter in the universe is flinging away from all other mater. Entropy is generally agreed to be a certainty and life is meaningless....
Why can't the end of everything be more...dramatic, rather than some sort of slow prolonged fall into death.
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>>8932713
Entropy is pressing. There is a way to trick the wave as it is coming to skip your ship if you are fast enough...
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>>8932713
Fuck off with this bullshit that won't even be experienced.
Life has a meaning and that meaning is to interpret meaning(biosemiosis)
Life's epic continues. The anthropocene is still a very depressing time with a lot of enslaved enthalpy being released as entropy here on earth.
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>>8932713
The purpose of life is
big dumps.
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This exercise was given out to students at my university, and almost no one was able to solve it.
Even the solution given by the assistant was wrong.
I have a solution by now, but I'm wondering what /sci/ can come up with.
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If one of the limits (consider q_n) were defined, they would have to be integers:
Just take epsion<1/2 and the limit condition says the sequence stays constant at some integer forever.
In that case, you after some m, for n>m you can pull out q_n of the limit. The limit equals
q_m^(-1) \lim_{n\to infty} p_n
The limit \lim_{n\to infty} p_n exists and is thus again some integer.
Maybe I use some stronger theorem here and don't notice it, but I have the feeling my steps are true.
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>>8932597
What you are saying about integer sequences is true, but you are forgetting that if a sequence does not diverge towards infinity, it still does not have to converge.
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>>8932570
I proceed by contradiction.
Case 1: suppose pn converges to k and qn converges to c
First, as the natural numbers are closed (topological definition of closed), so k and c are natural numbers.
Then the limit as pn/qn goes to infinity would be k/c which is a rational number, which is a contradiction.
Case 2: pn converges to k, qn diverges:
Then pn is bounded from above and thus the limit to infinity of pn/qn = 0 which is a rational number and thus a contradiction.
Case 3: pn diverges and qn converges. Then qn is bounded from above and thus the limit to infinity of pn/qn diverges, which is a contradiction.
/sci/
Yes I am brainlet.
Usually when you are learning some subject you are learning basic, fundamentals and then you are learning more advanced stuff, after you learn advanced stuff it turns out that there is even more advanced stuff.
Now in math its completely different, you can learn basic stuff like +/-/:/* and then you are learning lets say calculus, but if you want to learn statistic or discrete math, calculus is not going to help you.
Is there a way to connect everthing?
Usually when I learn something, First I have big picture of problem in my head and then I study piece after piece.
This way allows me to understand real application of the thing I study and expand it in future.
but in math?
I feel like different areas are barely connected or not connected at all.
I would expect that all derived from one main root?
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>>8932348
Algebra is the one thing that's behind everything
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>>8932348
Calculus is in statistics, mate.
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>>8932348
Start with set theory (ZFC or even ZF until you need the C) and logic and go from there.
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I'm trying to start self-studying stuff using recommendations for textbooks from the /sci/ wiki. How long should it take to make it through one textbook?
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>>8931790
There was a similar post earlier.
It really depends on what you want to know. Going through an entire calc textbook is an absolute waste of time. Work through until triple integrals, maybe 10-20ish chapters. Without a teacher it should take around 3-6 months if you work 20 hours a week.
Read, take notes, review, do problems.
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Where is a place with a bunch of review problems for all calcd 1 through 4?
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I think we can all agree that - at least at shit-tier schools - the focus of teaching mathematics is almost exclusively computational at the early stages.
Myself, having to hold a job on the side... I tend to focus on mastering the computational side ( to get those A's) before worrying about proofs and 'why?'
So /sci/, my question is, how doomed are computationally taught students at upper-division mathematics? Those that have been there, how did you fare? Was your upbringing computational or based in proofs? Any advice?
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my school is aware of this and has an "introductory proofs" class to bridge the gap
im sure a lot of other ones also do
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get spivak and bang your head on it for a month
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>>8931735
>Spivak
>good proof writing
lel no
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How accurate is this chart?
https://brainsize.wordpress.com/2014/09/20/calculating-your-reaction-time-iq-using-a-user-friendly-reaction-time-test/
Post your IQ score from IQtest.dk, and then post your reaction time from human benchmark.
267 reporting.
https://www.humanbenchmark.com/dashboard
http://iqtest.dk/
I've got an IQ of about 110.
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251 ms
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Don't got time for an IQ test, but I'm mid 120's.
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>>8931231
144ms
What exactly is so bad about global warming?
Doing nothing about it till it happens is literally the best option.
if it turns out it really is bad then the earths population will be reduced and people left will eventually find a way to make things work.
The same people who tend to believe in things like over population also believe in global warming, global warming is the perfect solution to overpopulation. there is no more ethical way to reduce the global population than by going beyond the supposed point of no return in regards to ppm of co2 in the atmosphere.
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>>8930621
>literally murdering billions
>best option
ok hitler
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>>8930632
>overpopulation is bad
>global warming is going to kill lots of people and reduce the population
Choose one and only one
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>>8930621
Severe reduction in crop yields
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/sci/, I need to make nitric acid from scratch. That's right, from SCRATCH. I need a method that I can still use to produce nitric acid even if the world goes to hell.
>method can use fire, waste, things you can find in the environment
>hard mode: no buying stuff from the grocery store
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>>8929199
beans so you can fart to get nitrogen
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>>8929199
Should've paid attention in chemistry anon
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>>8929211
but i did, they only teach laboratory chem though
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>brainlets think the answer is 2
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Is it 1.999...
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If 1+1=?
Then 1 = 1/2?
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The answer is 1 (it's Boolean algebra)