alexgordon changed the topic of #elliottcable to: https://gist.github.com/atg/0c323cc4b80c7372d05de77ab39b5d32 slash-𝕯𝖊𝖓-𝖔𝖋-𝕯𝖊𝖙𝖊𝖗𝖒𝖎𝖓𝖊𝖉-𝕯𝖆𝖒𝖘𝖊𝖑𝖘 || #ELLIOTTCABLE is not about ELLIOTTCA
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<ec_> <ljharb> put another way, i don't think we need to be worrying about protecting historically and consistently over-represented demographics
<ec_> (lol sorry that I only ever come in here to talk about whether I should come in here anymore, anymore)
<ec_> yeaaaaah see, I'm not contrasting <protecting marginalized peoples' feelings> against <protecting whitedudebros' feelings>;
<ec_> my problem here was <protecting some *friends of mine*'s feelings, who happen to be marginalized> vs. <protecting some *friends of mine*'s feelings, who happen to be white cishet dudebros>
<ec_> and incomprehensibly, yes, but that basically goes back to what I was saying in the first place: … if what you say is true, then this room no longer has a raison d'être (as a place where *all of my friends* can go, to talk tech and philosophy and even just shoot the shit.)
<ec_> or to look at it another way, this room has always been an experiment, based on a premise that I have unusually good taste in people, or something of that sort: “If Elliott drags everyone he likes into a room wherein tech/PLT and the philosophy of tech/PLT will be discussed, the discussion will be of some quality” — but if we take it as a given that
<ec_> Some People Elliott Has Chosen simply *can't* co-exist, then we've finally proven that flawed.
<ec_> idk just depressed over the whole thing
<ec_> tl;dr alex can be trashy and somebody I like at the same time — or to put it another way, the-way-this-room-has-always-been can simultaneously hurt people *and* still be something of value.
<ec_> trying to create some neutered version that *doesn't* hurt people, doesn't seem of-value.
<ec_> but allowing it to continue to exist when it does hurt people, also seems like a terrible idea.
<ec_> so tableflipping and calling it quits actually seems like the most reasonable course of action?
<incomprehensibly> ec_: idk it has a raison d'être as a place where a particular subset of your friends shoot the shit, and some new friends you maybe shoot the shit with elsewhere
<incomprehensibly> ec_: also, re
<incomprehensibly> the big O question:
<incomprehensibly> is the definition "for every epsilon there is an N"?
<ljharb> ec_: why don't you see value in a place where people can be themselves as long as it's not hurting people?
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<ec_> incomprehensibly: i actually can't find it, I don't think it's in the book for the class.
<ec_> pretttttty sure he covered/defined this on a day I missed. (I've missed a lot. fucking this semester up haaaaard.)
<ec_> so I'm using a combination of the Wikipedia definition, common sense, and Stack Exchange results -_-
<ec_> ljharb: I totally see the value of that, but that's what it *used* to be. As above: now we're in a situation where Somebody Is Going To Hurt, if all are present. read up, etc
<ljharb> ec_: doesn't that presume that everybody isn't an adult who can, you know, have a filter between their brain and the things they say?
<ljharb> ec_: as in, everybody should be easily capable of simply *not choosing* to say harmful things?
<pikajude> Boop
<ec_> so I'm using the
<ec_> f(x) ∈ O[g(x)] if-and-only-if |f(n)| ≥ M × |g(n)| for a-given-M n > a-given-n
<ec_> wow, typing math is fucking annoying
<ec_> brb buying/building a math keyboard
<ec_> ljharb: that'd be great ... if everybody, everywhere agreed on the definition of harmful things, etc.
<ec_> note the situation under discussion: someone simply *mentioned that a person exists*, that's literally it; and a plurality of other people were actively hurt by that.
<ljharb> ec_: maybe i'm missing that, i don't think that was literally it
<ec_> tl;dr there's a reason there's codes of conduct, and ‘be great to eachother’ doesn't work. (cf. that hackerspace that imploded)
<ljharb> ec_: please PM me more detail?
<ec_> unfortunately, I have maths homework due that i'm completely lost on, and a huge party to plan/clean-for/host in a few hours
<ljharb> k well later then :-p
<ec_> this topic will have to wait until I can decide what to do about it ... which is really what it's all about, anyway, yeah? as many good intentions as there may have been, there *wasn't* a CoC when this happened, so I literally just have to unilaterally make some decision and take action.
<ec_> discussing it so far has just been a venting mechanism for me. I'm pretty pissed about the whole thing.
<ljharb> but yeah i don't think that the value of a place goes away because we suddenly recognize that humans require rules to behave well
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<ec_> okay, like.
<ec_> god DAMNIT my nick
ec_ is now known as ec
<ec> something pikajude said applies a bit, here.
<ec> <pikajude> i'm all good with the current level of MRA saturation
<pikajude> word
<pikajude> oh
<pikajude> boop?
<ec> I think some of my newer friends who've ever briefly been in here, or joined and been active only recently, might not be clear on this:
<ec> I want spaces I have power over to be *safe*. That does not mean I want them empty of MRAs.
<ec> or more directly, and relevantly: *I'm* all good with the currently level of *SJW* saturation.
<ec> If someone of you has too many MRAs around for your liking ... idk, do something to curate your friend-groups and Internet intake a bit more?
<ec> because I'm definitely in plenty of spaces that are 100% social-justice echo-chambers, with no diversity of viewpoint whatsoever.
<ec> When *I* go for diversity, it absolutely doesn't mean “diversity of marginalized groups” — it means diversity across *all spectra*, including the entire scale of privilege. /=
<ljharb> do you think that every viewpoint needs an opposing view represented?
<ljharb> like "nobody should be a slave" or "all humans should have equal rights", let's say
<ec> that entirely depends on the space and goals.
<ec> In public? No. In private? Yes.
<ljharb> do you think there needs to be any space on the planet where the belief that "slaves should exist" is tolerated?
<ec> absolutely.
<ljharb> wow, ok
<ec> In fact, I'd *pay money* to have a friend like that.
<ljharb> i don't understand that
<ec> That said, that's not something I necessarily want *in this space*.
<ec> that's entirely fine; it's a personal goal, and not something I'm particularly interested in having any one person understand.
<ljharb> there are some viewpoints imo that should be eradicated from the planet.
<ljharb> but you're right, it will differ based on the space
<ec> ljharb: (look at it this way: The only reason you and I are friends, or get along at all, are because I took the equivalent step to what you just suggested *from my past viewpoints*.)
<ljharb> fair. i'm not saying anybody is beyond redemption
<ec> (so, yes, the approach of “I don't care how repulsive I find an idea, I want someone willing to champion that idea to be at least *occasionally* in my sphere of awareness” has paid excellent dividends for me, and I intend to continue to pursue it.)
<ljharb> but surely it helps one to realize that a belief is flat wrong, if there exists no safe space for it?
<ec> see, your problem, from my perspective, is seeing that as *redemption*.
<ec> five years ago, I'd have actively and fervently felt I could “redeem” *you* to libertarianism and capitalism.
<ljharb> both of those have some merits, in some degree, in some scenarios tho
<ec> *from your point of view*
<ljharb> i'm talking about things that have zero merits in zero degree in any scenario
<ec> you, like anyone, are tainted by a flawed absolutism
<ljharb> interesting
<ec> but this is getting way, way too ivory-tower.
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<pikajude> rape apologia: it's A-OK
<ec> So, in a more concrete sense: *in this space*, I'm happy to have absolutes; I easily acknowledge that having the spoons to ‘deal with’ viewpoints at extreme dislocation from my beliefs, from my comfort-zone, is an aspect of privilege,
<ec> and I don't even begin to wish what I subject myself to upon anyone else.
<ec> so this space, in particular (or my Twitter feed, or my Facebook, or … anything else I'm in control of) definitely *does* have absolutes.
<pikajude> ok but you can get pro-slavery advocates all over freenode dude
<pikajude> just go to any PL channel
<ec> For instance, as you put it, I wouldn't allow someone who truly believes in slavery in here. I wouldn't retweet such a person, if I followed them on Twitter; I wouldn't inflict them on my real-life friends at a gathering I was in control of ... so on, so forth.
<ec> that's an easy absolute.
<pikajude> oh wait, what?
<pikajude> you wouldn't?
<ec> The problem here is very disconnected from that:
<ec> “is willing to mention <that dude>” is, lol, definitely fucking not an absolute I was prepared to make a bannable offense.
<ec> but it nonetheless hurt people.
<ec> so, all this discussion of black-and-whites is ... basically pointless.
<incomprehensibly> ec: yeah ok that's what i thought it was
<incomprehensibly> ec: are you familiar with the epsilon-delta definition of limits
<pikajude> is there a term for the blind "every idea has merit" idealism
<ec> if someone *had* advocated slavery, or, hell, even esposed some rape-apologist viewpoints, or ... any one of a thousand other things I'm definitely not willing to have in here,
<ec> this wouldn't be a Thing in the first place /=
<ec> pikajude: it's not that *every idea* has merit.
<ec> ugh. If it helps you understand how I feel,
<ec> consider every idea on a continuous axis, with an opposing idea existing at some far end of it.
<ec> *no matter which axis you're talking about*, you can go far enough to one end to find a zone “with no merit.”
<ljharb> ec: it wasn't "mentioning some dude" tho
<ljharb> ec: it was the entire context of pages of discussion, culminating in that
<pikajude> is this like a bastardization of the horseshoe theory?
<ec> your point is basically, in this model, that some axes have a zone-of-extremism that extends almost all the way to the center.
<pikajude> ok
<ec> i.e. there's basically no ‘space’ left- or right- of “having no opinion at all” that is remotely compatible with *your* (or my) belief-system / value-system.
<ec> e.g. slavery.
<pikajude> what
<pikajude> that doesn't make any sense
<ec> My point is not that I believe *people with viewpoints in those unacceptable areas* are any less broken than you believe they are,
<ec> it's that having such unacceptable people in your sphere of awareness *moderates you*, if you can handle it.
<pikajude> oh ok
<ec> or, tl;dr,
<ec> a bad person can still be a positive influence.
<pikajude> i see
<incomprehensibly> as in if you have a neighbor or family member who is a trump supporter you will have a much deeper understanding of what the fuck is happening right now
<ljharb> ec: i think that's a very privileged opinion to hold, tbh
<incomprehensibly> ljharb: right, he said that
<ljharb> ec: ie, it takes a lot of privilege to be "able to handle" it
<ljharb> oh right sorry
<ec> again to make it concrete: even having trashy MRAs that I disagree with in my sphere-of-awareness is, overall, a positive influence in my life (even though in the short-term it costs me spoons), *because it moderates **me*** away from the equally-unreasonable extremes of SJW-space.
<incomprehensibly> "I easily acknowledge that having the spoons to ‘deal with’ viewpoints at extreme dislocation from my beliefs, from my comfort-zone, is an aspect of privilege,"
<pikajude> ya
<pikajude> neat
<ec> now, that's all personal.
<ec> can we accept that Elliott might follow a slaver on Twitter, for reasons other than tearing that person down, and not have to be completely and unutterably mentally-ill to do so? /=
<incomprehensibly> ec: not a slaver as in someone who holds slaves
<pikajude> i don't really care as long as you don't let them in #elliottcable
<ec> yesyesyes good, so,
<incomprehensibly> ec: epsilon delta
<ljharb> "follow" is fine. "doesn't think they should be removed from the platform" is what confuses me.
<ec> that particular moderating-influence approach, taken to an *extreme*, works well for me — but, as already stated, I can't (and wouldn't wish to) inflict that on anybody else;
<ec> but in spaces I curate, I *still hold the same value-system*; that moderation (as in, the verb) is a positive thing, and that careful injection of moderating influences improves the quality of the space, the quality of the ideas to come from it.
<ec> or I guess I should say I *held*.
<ec> pending more thought, I'm supposing that this recent incident has completely destroyed the core experiment of this channel: exercising that belief to build a community.
<ec> again to tl;dr:
<ljharb> destroyed tho? or provided a result from the experiment
<ec> even the tiniest smidgen of attempt at building a melting-pot appears to raise the privilege-barrier to entry too high.
<ec> provided a result is a good way to put it, except that I clearly got emotionally-invested in this friend-group over eight years :P
<ljharb> true, you're not supposed to get high on your own supply
<ljharb> :-p
<ec> the next iteration of the experiment would basically be an opt-in, instead of implicit, attempt to build a melting-pot community
<pikajude> i was just an experiment :'(
<ec> “There's going to be some minimum spoons to participate here; <here are some of the kinds of people-that-you-don't-like> that you'll be having to deal with”
<incomprehensibly> pikajude: lmao
<ec> pikajude: I enjoyed experimenting with you tho <3
<ec> bby i'd experiment w/ u NEtim
<incomprehensibly> ec: idk i think that
<ec> along with very stringent rules about what to discuss
<incomprehensibly> sometimes it is not *spoons* that prevent people from wanting to be here
<incomprehensibly> and more
<ec> I think what maybe works best is something like this:
<pikajude> lmao
<pikajude> so you'd have a channel with all kinds of people but have rules about what to discuss
<incomprehensibly> a desire to hang out online in places where they can avoid particular things that they can't avoid irl
<ec> *actively* choose an axis, *actively* court extremes in the way I describe above and have been doing for years, and then *actively* disallow discussion of that particular axis.
<incomprehensibly> idk it's less like, only the strong can handle this room
<ec> “Religion is a valid topic of discussion, until we start adding opposing viewpoints about religion.”
<incomprehensibly> and more, every group has a bunch of subtle signals they send as to who is welcome
<ec> incomprehensibly: rephrase?
<pikajude> yeah just put all this shit in #ec's-social-experiment
<pikajude> direct all the MRAs in that direction
<ec> lolol pikajude
* pikajude is inundated with MRAs from every angle
<pikajude> "have we got the place for you!"
<ec> I have nearly none in my life, except in this room.
<incomprehensibly> some people sort themselves into places where social justice opinions are considered ridiculous
<incomprehensibly> some people sort themselves into places where problematic opinions are not tolerated
<pikajude> there are MRAs in the smashbros channel, there are MRAs in the audio channel, there are MRAs in the cars channel
<pikajude> in the programming subreddit, the sysadmin subreddit, on twitter, at work
<ljharb> there's one running for president
<ec> incomprehensibly: I mean, yeah? I think I'm missing your point as it pertains to curating a space for those people
<pikajude> in the mechanical keyboards chat
<pikajude> in the music chat
<pikajude> so while i value your opinion, ec, it's nice to have this one channel where they can all fuck off
<incomprehensibly> ec: i guess what i mean is, a lot of people have (potentially pretty unreasonable) expectations for ideological homogeneity in their hang-out spots
<ec> I wonder if one could be convicted for planning to assassinate the president, if you *only* discussed extremely byzantine ways of doing so
<incomprehensibly> and sort themselves based on subtle, hard-to-forge social signals
<ec> Rube Goldberg Death Machines
<incomprehensibly> of ideology
<pikajude> no trump isn't gonna be convicted
<ec> pikajude: I'm not at all sure where you got the idea this space was *ever* MRA-free
<ec> I mean jesus you've been here for years
<ec> we have welcome-back-penises
<pikajude> ec clearly you haven't spent much time in a good ol' majority MRA channel
<incomprehensibly> i mean there haven't ever been avid r/MensRights posters, more just men who grew up and didn't explore beyond their own points of view
<incomprehensibly> :p
<ec> it's gotten safe*er* recently, but it's neither (clearly, cf. recent events) yet a truly safe space
<ljharb> sexual content isn't the same as "MRA"
<ec> ljharb: hahaha, true
* pikajude wonders if ec actually doesn't know what an MRA is
<pikajude> this would all make sense
<ec> pikajude: I do, I'm using it in the same way as “SJW” is used
<ljharb> MRAs are the ones that believe that sex jokes are true stories
<pikajude> no you aren't
<ec> to refer in short to an entire culture, most of the members of whom aren't actually applicable to that label
<pikajude> oh
<pikajude> ok
<pikajude> so you potentially don't then
<ec> i.e. SJW, when used perjoratively, doesn't actually require that the person being referenced Be An Activist
<ec> they just have to hold slightly-okay opinions and/or be mildly-against shitty opinions :P
<pikajude> ok so my point was, the tone of this channel is a lot nicer
<pikajude> even if there are MRAs around
<ec> thanks, I think
<ec> like, clearly, that implies this channel has some value, though
<pikajude> there's no implicit assumption that SJW topics are a joke
<ec> which just makes my job harder awjofaeusgirgiu
<pikajude> that might be more about the target audience tho
<pikajude> i mean alexgordon is really dedicated to appearing like not being a douche
<pikajude> even if they have lame viewpoints
<incomprehensibly> ec: i guess my point is: you can say anything at all in a 1 on 1 conversation with someone you trust and who knows where you're coming from. in a larger group, zoomed out, reduced to signals rather than intent, there are some tightropes you can't walk
<pikajude> lots of people conduct themselves well in here
<ec> signals-rather-than-intent nails it tho
<incomprehensibly> ec: you can easily have a no-strangers-allowed friendly group where you can have heated discusions about men's rights and social justice
<ljharb> i've definitely had much more productive discussions with people with horrific viewpoints in this channel than in most other places
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<pikajude> ya
<ec> arrrrrrgh
<pikajude> it's the target audience
<pikajude> exactly
<pikajude> smashbros channel has this one dude that thinks transgender ppl are an abomination on humanity
<pikajude> and he's an op
<pikajude> so that changes the tone of everything
<ec> pikajude: do I recall correctly that you're enby? or did I just pull that out of my anus?
<pikajude> what's enby?
<ec> non-binary, but, clearly no then
<pikajude> no that's someone else
<ec> so just an aside: note that everybody speaking right now is pretty damn privileged.
<pikajude> i'm a bog standard cis male
<pikajude> at least MPs can talk in here without being dogpiled
<pikajude> which is nice
<ec> barring some non-presenting extreme mental illness, the worst here is some class or sexuality disprivilege /=
<pikajude> mental illness hype
<ec> so I don't think a discussion on these topics can have a meaningful, actionable outcome without participation of people we're missing. /=
<pikajude> where's gq
<ec> ahhah
<ec> long gone /=
<ec> incomprehensibly: your name is so long that my client wraps it — it's the only name I've ever seen do that
<pikajude> my font turns that into a not-equals ligature
<incomprehensibly> ec: ahaha nice
<ec> so it inists there's one person named incomprehensibl, and another named y
<pikajude> you're really throwing me off ec
<pikajude> long gone does not equal
<ec> lmao
<ec> long gone ≠
<pikajude> yeah
<pikajude> that
<ec> long gone /≠
<ec> double-negative forms a positive? :P
<pikajude> i think my ex has fully inverted her sleep schedule
<ec> ugh. so.
<ec> the real problem here is basically that dog-whistles, when recognized, can wound. if I grasp it properly.
<ec> but how do I enforce on *implications*?
<ec> especially, especially if those implications are wrong? (i.e. “what if cloudhead doesn't have the opinions that he implied he had?”)
<pikajude> can't be done
<pikajude> its a case by case basis
<ec> has to be done.
<pikajude> you could make a dog whistle blacklist
<ec> nah, that's trash. I need policy. I need enforceability.
<pikajude> ok
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<pikajude> good luck mate
<ec> I need to be able to go to the girls who got hurt, here, and say “Here's what's written in stone; here's why you won't be hurt again.”
<cloudhea1> someone called my name
<ec> like well yeah I know it's impossible-sounding, but I'm also not going to pretend it not something that needs to be assaulted and solved?
<incomprehensibly> bye alexgordon
<ec> hahaha, hi cloudhea1
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<pikajude> cloud hunderscore
<ec> incomprehensibly: thanks to all the joins and leaves, I'm picturing alexgordon driving down an interstate
<ec> and occasionally opening his laptop for a moment to catch up, then shutting it again
<cloudhead_> heallo thur
<cloudhead_> seems like I forgot to log out of irccloud
<ec> -best irc cloud
<ec> p…purr?
<ec> oh no -_-
<incomprehensibly> _-_
<ec> incomprehensibly: you're consistently a very smart person
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<pikajude> _-_
<ec> like when I wanted to know things about PLT, you already knew the things I wanted to know / cared about / had formed interesting opinions on them
<ec> then I wanted some math, and you'd formed interesting opinions there
<ec> and now when I talk about community-building and social justice, you've formed interesting opinions there
<cloudhead_> is this a heart2heart I have stepped into
<ec> cloudhead_: I'm all heart2heart, all the time <3
<incomprehensibly> ¯o¯
<ec> I wear my heart on my sleeve so much, that I just bought one of those old iPod straps for runners, and stuffed it in there
<cloudhead_> :o
<pikajude> ( ͡° ͜ʖ ͡°)
<incomprehensibly> ºoº
<ec> ◴_◶
<ec> incomprehensibly: (▰˘◡˘▰)
<pikajude> ugh
<incomprehensibly> ˘o˘
<pikajude> at least i feel better than yesterday
<pikajude> yesterday was awful
<ec> (🙃 ͜ʖ🙃)
<ec> god so hungry
<incomprehensibly> pikajude: what was yesterday ˜~˜
<pikajude> had a bad day yesterday
<incomprehensibly> :(
<pikajude> still having a bad day today but it's better than yesterday
<ec> speaking of being a social-justice freakazoid,
<pikajude> yesterday it felt like someone sucked out all my serotonin
<ec> I have not yet formed an opinion on this, but I find it intensely interesting and would like to share:
<ec> What To Do Instead of Calling the Police, a work in progress: ͜ʖ
<ec> pastederp
<ec> pikajude: have you seen Farscape?
<pikajude> no
<pikajude> yeah that's how it felt yesterday
<pikajude> i feel very nasty and un-cute
<ec> took weirdly-much effort to find that
<ec> the internet is amazing
<incomprehensibly> pikajude: i'm sorry :(
<ec> pikajude: Whenever I feel nasty and un-cute, do you know what I do?
<pikajude> that's cool
* ec hugs pikajude
<ec> just picture yourself as Neil Patrick Harris
<ec> that's what I do, 24/7
<ec> can I send you a cute cotton-bureau tee
<ec> that also solves many problems
<ec> (unfortunately, it's a strict subset of the problems that having a dog solves)
<ec> (but hey, defense-in-depth)
<pikajude> cotton bureau tee
<pikajude> what is that
<pikajude> i want to buy this junya parka but it's going to be half my paycheck if id o
<ec> hahah “Break DANCE not HEARTS”
<ec> I don't dance, but that's cute
<ec> Fn Pig is, incontrovertibly, the second best deadmau5 song
<ec> Woah, I *really* love this design … I just wouldn't wear it
<pikajude> oh god no
<pikajude> i can't into graphic tees
<ec> Noooooo
<ec> they also do hoodies and sweatshirts 'n shit
<ec> >:
<incomprehensibly> i rarely buy em
<incomprehensibly> but at a mewithoutYou concert i bought 2
<incomprehensibly> at a carly rae jepsen concert i bought: a graphic sweatshirt, a winter hat, and sunglasses
<ec> do I want an Iconfactory zip-hoodie?
<ec> kinda/sorta
<ec> I'd go to an @aphyr concert
<pikajude> i can't into logo hoodies either
<pikajude> too silicon valley
<ec> this is so plain
<ec> and so not my style
<ec> but I'm attracted to it anyway
<ec> who is Mike Monteiro
<ec> ahhah, this is cute as fuck
<ec> who do I know who's obsessed with Deadpool ... aahhhh I can't remember
<ec> welp
<ec> just found out this teacher gives no late credit
* ec throws the assignment out his literal window
<wraithgar> hoodies and sweatshirts are nice but cardigans are really where it's at imho
<pikajude> i have this neat versace jacket my friend recommended
<ec> hoodigans
<ec> u ppl r 2fancy4me
<ec> I have to suit up tonight, rllllly not feeling it
<ec> might just show up in sweats and bribe the doorman
<ec> haha “56mm equivalent is not "telephoto" Apple.”
<ec> “Any manager will tell you that if you want someone’s best work, you have to empower them, but greenscreens disempower film crews.”
<incomprehensibly> ec: epsilon delta
<incomprehensibly> lim (x->A) f(x)
<incomprehensibly> is defined as
<incomprehensibly> well,
<incomprehensibly> lim (x->A) f(x) = B
<incomprehensibly> means:
<incomprehensibly> for every epsilon > 0, there is a delta such that whenever |x-A| < delta, |f(x) - B| < epsilon
<ec> whut
<incomprehensibly> in other words, if you want to squeeze f(x) to within epsilon of B, you can find a delta to squeeze x within A of
<incomprehensibly> to get f(x) epsilon-close to B, you have to make x delta-close to A
<incomprehensibly> does that make sense? as a definition of limit
<incomprehensibly> ec: big O is defined in a similar way but instead of a continuous domain for x, it's the natural numbers
<incomprehensibly> so it's more like
<incomprehensibly> if you want to make f(N) big enough you can find an N big enough
<ec> was confused where limits came in
<ec> yah okay knew that
<ec> but sounds like you're just using them as a tool to explain sommat I already know
<ec> I know/understand the M/x0 def, I think
<ec> just not sure how to apply it for a P(x)/Q(x) situation
<ec> forgetting all my limits stuff from calc I ;_;
<incomprehensibly> so basically the way you PROVE something like this is
<incomprehensibly> delta
<incomprehensibly> find a mapping from epsilon to detal
<ec> rephrase that
<incomprehensibly> ah. here's a good http://www.cs.utsa.edu/~bylander/cs3233/big-oh.pdf
<incomprehensibly> so actually, divide left side by right side
<ec> er, divide everything by bottom?
<ec> there's three sides, it's an absolute value
<ec> |(x³ + 2x) / (2x + 1)| ≤ N * x²
<ec> means
<incomprehensibly> oh :(
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<ec> -(N * x²) ≤ (x³ + 2x) / (2x + 1) ≤ N * x²
<ec> at least that's the only way I know of to ‘get rid of’ the absvalue
<ec> right?
<incomprehensibly> seems right
<incomprehensibly> in your work you showed on twitter
<incomprehensibly> i think that the last couple lines are not useful
<incomprehensibly> but the 4th line is
<ec> hm
<ec> I was trying to do the limits-y thing, same thought process as you
<ec> with a limit I'd reduce this to terms, right? fuck, I don't even remember
<ec> but yeah hm multiply everything by the bottom maybe?
<ec> fack idk that just splatters X everywhere
<incomprehensibly> yeah don't do that
<incomprehensibly> leave it has a nice clean rational functin
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<incomprehensibly> look at pg 2 in that powerpoint
<incomprehensibly> pdf
<incomprehensibly> ec: are you sure x can be negative and you need the absolute value?
<incomprehensibly> like is the domain of x negative
<incomprehensibly> include* negative
<incomprehensibly> ?
<ec> woah this is so cool
<ec> “ Now that we've celebrated that emotional impact matters more than technical accuracy for like the billionth Prolost time,”
<ec> i like this man's blog
<ec> it is about things i do not care about anymore, but he cares about them in the same *way* that i care about the things i *do* care about
<ec> incomprehensibly: unknown
<incomprehensibly> ec: can you show me original assignment question
<ec> working on #3 rn
<incomprehensibly> ec: yeah you don't need absolute value, with big O you only talk about positive x
<ec> BUT MATH RULES D:
<ec> you mean in algorithmic analysis?
<incomprehensibly> ec: the point of domain rules like that
<incomprehensibly> is to be aware of context :p
<incomprehensibly> ec: yeah
<incomprehensibly> like, big O is for talking about size of input
<incomprehensibly> you don't sort a list with negative length
<ec> k so in a proof I basically can just go ‘time will always be positive, thus f(x) is always positive’
<incomprehensibly> yeah
<incomprehensibly> i mean like
<ec> oh, x, not f(x)?
<incomprehensibly> you're defining the domain
<incomprehensibly> yeah
<incomprehensibly> x
<ec> if you hadn't noticed, I'm supersuper obsessive about this stuff
<ec> /=
<ec> I'm not gnna do math unless I'm gonna do it fucking *right*
<incomprehensibly> mhm
<incomprehensibly> so writing a function that can end up negative for big O
<incomprehensibly> is kind of meaningless because big O is about runtime
<ec> in this context*
<ec> stop saying that 'cuz at least according to Wikipedia, O() is its own meaningful thing
<ec> and I kinda understand how
<incomprehensibly> in any case this function is positive for positive x
<incomprehensibly> and you're only talking about positive x
* ec nods
<ec> so two ways to go about that: restrict input domain (common sense), or show restrict output domain (trash the absolute value)
<incomprehensibly> so yeah, you divided by x^2, so the fourth line in your image has the ratio of f(x) to g(x)
<ec> “It's heavy math, and Apple is doing it in real-time while you're framing the shot. Impressive.”
<incomprehensibly> and you want to show that that ratio is < 1
<ec> hrmpf
<ec> I'm so bad at this wtf
<ec> it's like my brain shuts off when I look at proof-y language
<ec> it's so strange how our minds reject *working on*, manipulating or operating over, content that they have previously failed on
<ec> I watch people react like this constantly when trying to teach programming or more basic maths
<ec> “For positive x, (x² + 2) / (2x² + x) is positive; thus ...”
<ec> I was never good with inequalities: what does that tell me about `-N ≤ (x² + 2) / (2x² + x) ≤ N`
<incomprehensibly> you don't need to say that
<incomprehensibly> that's like the whole context of doing big O() problems
<incomprehensibly> so it's not really necessary to point out
<ec> idk pedantic: ANYWAY point is, “at what point” can I drop the absolute value?
<ec> oh wauhggihg k, I see it now
<ec> literally right at the start
<incomprehensibly> yeah
<incomprehensibly> always
<incomprehensibly> never needed it
<incomprehensibly> :~)
<ec> well it's in the definition
<incomprehensibly> of big O?
<ec> but yeah I was missing that |f(x)| = f(x) if f(x) ≥ 0
<incomprehensibly> ah ok
<ec> ugh
<incomprehensibly> yeah I just remember in my CS classes that we never bothered with any of that
<ec> hahah yeah
<ec> that's verrrrrry much how this class is
<incomprehensibly> because we only used positive f(x)s because it was in the context of algorithm runtimes
<ec> this is CS330, and it's the ‘CS version’ of the super-critical MATH230
<incomprehensibly> anyway so. f(x) is always positive. no need for abs. so, you found the ratio f(x)/g(x)
<incomprehensibly> you want to find a C such that
<ec> which basically means “way less rigorous, and we use the word ‘algorithm’ a lot”
<incomprehensibly> f(x)/g(x) < C for x >= 1
<incomprehensibly> haha yeah
<ec> it's actually superannnoying
<ec> I have such a hard time understanding when he, the book, and the Internet hand-wave things
<incomprehensibly> like this is a great example
<ec> whereas if you just give me the actual fucking math, I can at least google symbols and words until it all clicks into place
<incomprehensibly> https://cl.ly/hd6r
<ec> with the handwaving, I'm still “but WHY”'ing off into the sunset while the rest of the students are finishing the last problem on their homework v.v
<incomprehensibly> still uploading
<incomprehensibly> lol why is the university wifi so bad
<ec> CloudApp
<ec> Nothing lives here.
<incomprehensibly> https://cl.ly/hdd2
<ec> “Perhaps the person who shared this link with you deleted it. Or they’re not ready to share it. Or maybe a Yeti has taken it to a cave. And that Yeti has children. And those children love CloudApp links.”
<incomprehensibly> try that
<ec> cloudapp stahp existing
<incomprehensibly> ok so
<ec> ghahahah at the volume-chang
<incomprehensibly> one thing you can do when proving bounds like this
<incomprehensibly> because an ad came on spotify
<ec> I'm actually afk'ing to grab food
<ec> lauffing
<incomprehensibly> i muted
<incomprehensibly> lol yeah
<incomprehensibly> ok the trick you probably need is in that screenshot
<ec> wait wut
<incomprehensibly> you can fidn something that's greater than f(x)/g(x)
<incomprehensibly> and show that tha'ts less than a bound C
<ec> well yeah that
<ec> is the same thing as
<ec> f(x) ≤ N * g(x) ==> f(x)/g(x) ≤ N, when g(x) is positive, right?
<incomprehensibly> yes
<ec> I need an inequalities cheat-sheet -_-
<incomprehensibly> yeah
<incomprehensibly> but what i mean is
<incomprehensibly> and definitely less than some constant
<incomprehensibly> you can find an expression that's definitely greater than f(x)/g(x)
<incomprehensibly> common technique
<incomprehensibly> in my screenshot
<ec> yah
<ec> yah, knew that one
<incomprehensibly> yeah so
<incomprehensibly> your simplified ratio is:
<incomprehensibly> (x^2 + 2)/(2x^2 + 2)
<ec> problem is all of the examples are polynomial, not rational, and my brain is refusing to transform the approach
<incomprehensibly> fuck whooops
<incomprehensibly> (x^2 + 2)/(2x^2 + x)
<ec> (x² + 2) / (2x² + x)
<incomprehensibly> well the thing is
<incomprehensibly> they did that with a ratio fo polynomials
<incomprehensibly> but a ratio of rationals
<incomprehensibly> IS ratio of polynomials
<ec> trudat
<incomprehensibly> so it's actually the same
<ec> hm
<ec> hold on
<incomprehensibly> ok gotta walk to thing
<ec> o7
<ec> the only way to describe my approach to math so far is “plodding”
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<ec> wtf I'm still so lost
<ec> I'm missing how we can reason, given x is positive and `(x² + 2) / (2x² + x) ≤ N`, that it follows that `(x² + 2x²) / (2x² + x) ≤ N` …
<ec> which is presumably the next step, if I'm understanding this pdf correctly
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<ec> alexgordon: fix this
<alexgordon> ?
<ec> )'=
<ec> i'm just doing very poorly on some math, ignore me.
<alexgordon> ?
<alexgordon> you want me to fix it
<alexgordon> ?
<ec> ? ? ?
<ec> afhgaeihrkwbwauiraeiugeifkillme
<alexgordon> ec: you said fix it, then you said ignore you
<alexgordon> ec: so did you solve it or not?
<ec> no working on it
<ec> ughghghgh
<ec> “ A photo of a man punching himself in the face at a bar”
<ec> “ A photo of the mother of a kid who loves oysters”
<ec> oh derp that's NOT what we're showing
<ec> missed the arrangement of equals-marks and inequalities in the pdf ;P
<alexgordon> wrong question?
<alexgordon> ec: it's not true anyway lol
<ec> huh?
<alexgordon> ec: the statement. it's not true. "`(x² + 2) / (2x² + x) ≤ N implies (x² + 2x²) / (2x² + x) ≤ N` for x > 0"
<alexgordon> just put it into grapher lol
<ec> yeah haha that I knew, that's why I was confused
<ec> gack
<ec> I'm so fumbly-handed at this
<ec> but I was doing the wrong thing
<alexgordon> well it helps to start with the right question :D
<ec> How am I supposed to be choosing/showing *both* x0 *and* M?
<alexgordon> what?
<alexgordon> jesus man just tell me the question lmao
<ec> scroll up
<alexgordon> which bit?
<ec> lol this assignment is already late, and thus worth no points
<ec> I'm just trying to figure out how to *do* it -_-
<ec> food time for me
<ec> bbl
<alexgordon> ec: so which one of the three are you having trouble with?
<alexgordon> the first two are easy, you just need to apply the definition of O(...)
<ec> “you just need to apply the definition of O(...)”
<ec> yes what I've been trying to do for the past two hours :P
<ec> I think I've *finally* got a response I'm happy with for 3
<ec> bbl food
<alexgordon> ec: whenever n > 1? what the hell is n :P
<pikajude> a variable
<ec> ahah you actually read the whole thing
<ec> find-replace mistake. Should probably have been x or k
<alexgordon> ec: there is an error in your logic
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<alexgordon> :O
<alexgordon> ec: Note also that [...] x ≤ x², implying: (x² + 2) / (2x² + x) ≤ (x² + 2x²) / (2x² + x²)
<alexgordon> if you divide by something bigger it makes it smaller
<ljharb> ec: have you seen "fuck you pay me" by mike monteiro? go watch it
<ec> ljharb: I'm just confused by this shirt
<ljharb> lol, no idea
<ljharb> i mean, he's both awesome and an ass
<ljharb> but no idea what that shirt is about
<ec> oh wait it's *by* him
<ec> or by his design group? idk? so confused.
<ec> that's nearly elliott-level ego, colour me impressed
<ec> (it's a kind of mauve — ‘verkehrspurpur’ in RAL.)
<pikajude> no idea what that is
<incomprehensibly> ec: for x > 1, (x² + 2) / (2x² + x) < (2x² + x) / (2x² + x). that's just a fact that is true. the second thing equals 1. so the ratio < 1.
<ec> pikajude: the colour of incomprehensibly's nickname on my screen, actually
<ec> ish
<ec> so upset about this assignment
<ec> 85 on the first exam, tho
<pikajude> ec: i know what mauve is
<pikajude> i don't know what verkehrspurpur is
<ec> annoyingly, I actually got most of the points for the two proofs … which I thought I'd bomb
<ec> but I spent all my time banging my head against those, and fucked up some of the simple ones in the last few minutes before the buzzer
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