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  1. notation - What does := mean? - Mathematics Stack Exchange

    Mar 18, 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 …

  2. 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, …

  3. What is the meaning of ⊊? - Mathematics Stack Exchange

    Dec 22, 2020 · This has caused the symbol " $\subset$ " to become ambiguous, and authors tend to want to avoid it. To describe the relation "proper subset", they instead use the symbol " $\subsetneq$ …

  4. What is a Symbol, like I am five years old : r/ruby - Reddit

    Jul 28, 2022 · A symbol is a value, that can be held by a variable. OK, so we probably understand how we sometimes want a number like 1 to be a value, and other times a String like "foo".

  5. How do I get at @ symbol? Shift+2 gives me - Reddit

    Sep 25, 2019 · Shift + 2 giving " is the British configuration. The " symbol near the enter key would give you the @ of that's the case. Just some info if it helps you figure it out properly Reply reply More …

  6. Does anyone know if this symbol has an actual meaning?

    Yeah. Sometimes games use actual occult symbols and I didn't know if this symbol actual was anything or just something thought up for the game. Reply reply D-Alembert •

  7. notation - What does "∈" mean? - Mathematics Stack Exchange

    Jun 25, 2014 · I have started seeing the "∈" symbol in math. What exactly does it mean? I have tried googling it but google takes the symbol out of the search.

  8. Where did the DC symbol come from? : r/ElectricalEngineering - Reddit

    Apr 4, 2023 · The AC symbol has a wavy line above or through the dashed line to represent that the voltage potential is alternating. I too heard that these form of graphic symbols came from the use of …

  9. What's the red devil looking symbol mean? : r/Palworld

    Jan 21, 2024 · 14 votes, 10 comments. 495K subscribers in the Palworld community. [Unaffiliated with Pocketpair] Palworld is a brand-new multiplayer, open-world…

  10. TIL how to type the ° symbol : r/howto - Reddit

    Apr 24, 2019 · I've always been pissed that the symbol for degrees wasn’t one of the options on a keyboard. But just now when I had to type degrees because I thought there wasn't a way to type the …