JadeNB

22 ms·

301.
by JadeNB 1y ago
> Scientists have informal trust networks that I’d like to see made explicit. For example, I’d like to see a social media network for scientists where they can PRIVATELY specify trust levels in each other and in specific papers, and subs
302.
by JadeNB 1y ago
> Another colloquial saying to back this up is that "Oh, that house is five acres down the road" or, for a non-standard unit, "The store is three blocks away". We often use area measurements for length if it's co
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by JadeNB 1y ago
> The electronic computer didn't exist 100+ years ago. You can't ignore the exponentially growth of technology that has happened and pretend that the market dynamics are the same that they were such a long time ago. One can&#x2
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by JadeNB 1y ago
> I loved (and hated... because 'enshitification') that video. Thanks! What video?
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by JadeNB 1y ago
> That’s far too gray of a line for governments to handle, but I can dream. I know that GDPR doesn't get much love, but I think that it shows that we (well, not we, because I'm in the US, but the EU) can meaningfully legislate
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by JadeNB 1y ago
> Yes, but then topology becomes a very tedious exercise because so many proofs rely on the fact that the empty set is contained in every topology, that the empty set is both closed and open, and that intersections frequently yield the e
307.
by JadeNB 1y ago
> If you don’t allow the empty set to be a set then you break the basic operations of set theory. For example, to show two sets are disjoint you compare their intersection with the empty set. You certainly can do that, but it's not
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by JadeNB 1y ago
No apology needed! It's all in fun, and we might as well enjoy the discussion.
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by JadeNB 1y ago
> Well you did say you were okay with set intersection being partial (or I guess also set difference for the more direct analogy). Good point! > I don’t have anything against them personally but they’re probably less natural than the
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by JadeNB 1y ago
> I don’t see why it’s a problem that the empty set cannot be a group. The empty set, being empty, lacks an identity element. Thus all groups are non-empty. It's not necessarily a problem that the empty set cannot be a group. (Alth
311.
by JadeNB 1y ago
> And if we treat zero as not a number, it would make division much easier to define. I wrote that sentence as a joke but now I wonder if maybe it’s true. Does addition really need to have an identity? It probably doesn't, but, if
312.
by JadeNB 1y ago
> commonly denoted as N_0 and N_1 Oh my, it had never occurred to me that one could disagree, not just about whether the natural numbers include 0 or don't, but also about how to denote "natural numbers with 0" and "n
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by JadeNB 1y ago
> That universe would be deprived from the bottomless wellspring of dryness that is the set theoretic foundations of mathematics. Unthinkable! "Wellspring of dryness" is quite a metaphor, and I take it from that metaphor that t
314.
by JadeNB 1y ago
> Many (most?) results are easier to write if you allow the empty set. For example: > "The intersection of two sets is a set." Many results in set theory, yes! (Or at least in elementary set theory. I'm not a set theo
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by JadeNB 1y ago
> I'm sure it depends on the definition of prime. I've always been partial to "Any integer with exactly 2 divisors". Short, simple, and it excludes 1 and negative numbers. Depending on your definition of divisor, it e
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by JadeNB 1y ago
> One reason that 1 is often excluded from the prime numbers is that if it was included, it would complicate the theorems, proofs, and exposition by the endless repetition of "not equal to 1". This is true and compelling as thi
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by JadeNB 1y ago
> Later in the same sequence, food trays are brought to the bridge after the long scenes of a flight attendant, who picks up trays as they slide downs from a dispenser, and as she hands the trays to the crew, one of them instinctively pu
318.
by JadeNB 2y ago
> The triumph of the movie, as described at the time, was making people care about a story they already knew the ending to. One could, I think, argue the same about any movie about a historical event. I think that it would seem strange,
319.
by JadeNB 2y ago
> In May 2012, the company changed its name to Zoom, influenced by Thacher Hurd's children's book Zoom City. To save people the agony of visiting Wikipedia for themselves to check, changed from Saasbee. Which, good call.
320.
by JadeNB 2y ago
> Seems exactly the motivation for the various charges against Trump. I think that you can conspiracize both, or regard both as normal judicial process, but, if you say that it's just fair play against Lula and conspiracy against Tr
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by JadeNB 2y ago
> The biggest challenge I found reading Vargas Llosa is that section and chapter breaks tend to be infrequent giving fewer opportunities to pause while reading. I don't mean to be snarky, but, seriously, can't you just pause wh
322.
by JadeNB 2y ago
In response to the observation the average pixel color is surprisingly brown, I'll take today's opportunity to induct some of my fellow HNers into today's lucky 10,000 by linking Technology Connections's "Color is w
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by JadeNB 2y ago
> Is there anything even remotely comparable in quality to Monty Python right now? I suspect that, like most things that we now recognise as classics, much of Monty Python wasn't recognized at the time as a classic. For example, h
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by JadeNB 2y ago
As khaledh points out ( https://news.ycombinator.com/item?id=43668156 ), more likely to Vannevar Bush's Memex ( https://en.wikipedia.org/wiki/Memex ).
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by JadeNB 2y ago
> To be fair...the other side was just as ferocious when someone postulated that the election was rigged, or that COVID couldn't be stopped by masks. You're essentially asking for conservatives to be the bigger person and stop
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by JadeNB 2y ago
I agree that "properly working lambda expressions were only available in Lisp until recently" is perfectly idiomatic, but easily misunderstood, English. I believe that the suggested fix "properly working lambda expressions w
327.
by JadeNB 2y ago
> "properly working lambda expressions were only available in Lisp until recently." > until -> since I think "only since recently" is not standard English, but, even if it were, I think it would change the inten
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by JadeNB 2y ago
> Would you mind giving more details about your use case? I'm curious. That would definitely have enriched my comment, but, unfortunately, I couldn't think of anything in particular in the moment, and can't now. seb1204 (
329.
by JadeNB 2y ago
I don't want to argue for ads, but, as someone trying to cut out Amazon from my life, it genuinely is hard to figure out where else to buy stuff these days. Slightly less common things that nonetheless used to be stocked in any halfway
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by JadeNB 2y ago
> Rooting for mozilla and their privacy-focused services. Been using the email-masking feature (generate forward email addresses) for a while and really like it. I don't know how the privacy of this one will shake out, but the priva

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