Works on the web page, but looks weird on some mobile app. Markdown is a fucking mess. Some implementation has MathJax support, some have special syntaxes.
What’s especially wild to me is that even the position of “it’s ambiguous” gets almost as much pushback as trying to argue that one of them is universally correct.
Last time this came up it was my position that it was ambiguous and needed clarification and had someone accuse me of taking a prescriptive stance and imposing rules contrary to how things were actually being done. How asking a person what they mean or seeking clarification could possibly be prescriptive is beyond me.
Bonus points, the guy telling me I was being prescriptive was arguing vehemently that implicit multiplication having precedence was correct and to do otherwise was wrong, full stop.
Without any additional parentheses, the division sign is assumed to separate numerators and denominators within a complete expression, in which case you would reduce each separately. It’s very, very marginally ambiguous at best.
👍 That was actually one of the reasons why I wrote this blog post. I wanted to compile a list of points that show as clear as humanity possible that there is no consensus here, even amongst experts.
That probably won’t convince everybody but if that won’t probably nothing will.
When I went to college, I was given a reverse Polish notation calculator. I think there is some (albeit small) advantage of becoming fluent in both PEMDAS and RPN to see the arbitrariness. This kind of arguement is like trying to argue linguistics in a single language.
Btw, I’m not claiming that RPN has any bearing on the meme at hand. Just that there are different standards.
Ambiguity is fine. It would tedious to the point of distraction to enforce writing math without ambiguity. You make note of conventions and you are meant to realize that is just a convention. I’m amazed at the people who are planting their feet to fight for something that what they were taught in third grade as if the world stopped there.
You’re right though. We should definitely teach different conventions. But then what would facebook do for engagement?
I feel like if a blog post presents 2 options and labels one as the “scientific” one… And it is a deserved Label. Then there is probably a easy case to be made that we should teach children how to understand scientific papers and solve the equation in it themselves.
Honestly I feel like it reads better too but that is just me
I’m not sure if I’d call it the “scientific” one. I’d actually say that the weak juxtaposition is just the simple one schools use because they don’t want to confuse everyone. Scientist actually use both and make sure to prevent ambiguity. IMHO the main takeaway is that there is no consensus and one has to be careful to not write ambiguous expressions.
“If you are a student at university, a scientist, engineer, or mathematician you should really try to ask the original author what they meant because strong juxtaposition is pretty common in academic circles, especially if variables are involved like in $a/bc$ instead of numbers.”
I’m a scientist and I’ve only ever encountered strong juxtaposition in quick scribbles where everyone knows the equation already. Normally we’re very careful to use fraction notation (or parentheses) when there’s any possibility of ambiguity. I read the equation and was shocked that anyone would get an answer other than 9.
My comment was directed to the blog post and the claims contained in it.
The blog post claims it is popular in academy, if that is a deserved label, then I don’t understand how the author of the post lands on “there is no good or bad way, they are all valid”. I am in favor of strong juxtaposition but that is not the case that I am making here. Sorry for the confusion.
What he means is, if you want to download the document from ISO that describes the standard, you have to pay a fee. Here’s their store page: click.
It’s about 190 USD for a 38 page document describing the rules of the standard. There’s another document with extensions for a similar price. Quite pricey for a PDF file obviously, and the RFC is free to download.
On the other hand, no one in the history of time has gone “hmm, I don’t know how ISO-8601 works, let me go buy this document from the ISO store to figure it out.” Most people just call datetime.isoformat() or whatever their library function is called.
Cassandra uses epoch milliseconds for timestamping snapshots. This means that each node will have a different name for the same snapshot. Trivially solved with truncating the timestamp with * wildcard, but just… why?
Not only capitalism entirely based on the hierarchy of ownership, but it also reinforces already existing social hierarchies as those in power receive more profits and capital, and thus more power and influence in a broader society. You cannot say hierarchy is bad and be pro capitalism. Leftist ideologies are ways to try to democratize the economy, which flattens hierarchy. Anarchism is inherently anti capitalist.
Capitalism is fundamentally hierarchy established in property rights. Doing away with hierarchy does away with Capitalism. Unless, of course, you’re arguing for Anarcho-Communism or something.
This is the neuance. Could there be a fair form of capitalism? It depends upon the systems and the people that run them. Centralisation of ownership is the next step beyond the centralisation of power, because after a while they become intrinsically the same. Absolute power corrupts absolutely, absolute wealth corrupts absolutely.
But also, the stock markets which can be beneficial are also forms of glorified gambling where the house always wins, the commodification of the housing market, the silly notion of shell and shelf companies (easiest, most effective way of side stepping regulations and laundering money), debt slavery, the price gouging of life saving medicine, the race to the bottom where costs, quality of product and salaries need to be cut, where the line between product and service becomes thinner for every day to the point where you retain less and less ownership by each year, which you can’t really blame anyone for, because all of these systems are designed to be a constant, churning, soul killing rat race, turning the pace of life to a literally unlivable speeds, which also reveals that even the ones up in the hierarchy become degenerate with greed, mostly because they live so far up that their human brains can’t fathom the effect they have down the chain, because it goes against their interests.
Instead of then going on another witch hunt, we need to look at these systems and the effects they have on the human psyche.
No there cannot be a fair form of capitalism because it is centered on exchange. You have to center your life on turning your time into a profit to afford the whole rest of society’s product also sold at a profit, at its most basic level it is unsustainable.
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