
notation - What does := mean? - Mathematics Stack Exchange
Mar 5, 2011 · It's curious --and unfortunate-- that the symbol for emphasis became the symbol for negation. Granted, ASCII isn't the richest glyph set, and coders needed something, but why settle on …
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
The symbol ≅ is used for isomorphism of objects of a category, and in particular for isomorphism of categories (which are objects of CAT). The symbol ≃ is used for equivalence of categories. At least, …
Sniffies color and symbol meanings? : r/Sniffies - Reddit
Nov 27, 2022 · I just joined and need help understanding what all the different profile colors and symbols on the map. Is there a list of meanings on the site?
notation - what does ≼ or ≺ mean? - Mathematics Stack Exchange
Suppose (E, ≤) and (F, ≼) are isomorphic well-orderings. Then there exists a unique isomorphism for (E, ≤) to (F, ≼). I've been scouring the internet for what this symbol means. Someone said it means …
What's "the most right" symbol to use for "defined to be equal to"?
What's the most used symbol for "defined to be equal to", at least in your experience (and I'm sure there are a lot of experienced people here)? Also, which one do you think is the "the most right" of them, in …
Can anyone tell me what this symbol is indicating? - Reddit
Sep 15, 2022 · Can anyone tell me what this symbol is indicating? Add a Comment Sort by: Search Comments
What is the difference between plus-minus and minus-plus?
Possible Duplicate: What is the purpose of the ∓ ∓ symbol in mathematical usage? Just as the title explains. I've seen my professor actually differentiating between those two. Do they not mean the …
What is mathematical basis for the percent symbol (%)?
Percent means 1 part of 100 or 1/100 and is indicated with %. Per mille means 1 part of 1000 or 1/1000 and is indicated with ‰, so it seems that these symbols indicate the mathematical operations ...
What is the “~” symbol? : r/ask - Reddit
The tilde is a grapheme with a number of uses. The name of the character came into English from Spanish, which in turn came from the Latin titulus, meaning "title" or "superscription". Its primary use …
What does this symbol mean? : r/AppleWatch - Reddit
The symbol of a charging cable indicates that the watch battery is still low and requires charging. Try charging your watch again for at least 2.5 hours. When doing so, check that: All plastic wrap has …