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, …
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 is …
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 been …
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".
Office Symbol Guide : r/AirForce - Reddit
Edit to add: your local manpower office has a way to show you all the office symbol codes (OSC) that are available for your unit type. That's in MPES. Possible that if you are in a brand new unit, there's a …
Wifi symbol not a lock : r/Windows11 - Reddit
Nov 20, 2022 · On this workstation there is a symbol next to the wireless icon, it’s not a lock icon it almost looks like a router icon. All other windows devices show the lock, just not this one. Has anyone …
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
Symbol at bottom of my Stanley : r/StanleyCups - Reddit
Mar 31, 2024 · Symbol at bottom of my Stanley My apologies if this has been asked already, I scrolled through a month of posts and didn't see this topic. What is the symbol at the bottom of my Stanley …
notation - Is there an accepted symbol for irrational numbers ...
Jun 23, 2015 · $\\mathbb Q$ is used to represent rational numbers. $\\mathbb R$ is used to represent reals. Is there a symbol or convention that represents irrationals. Possibly $\\mathbb R - \\mathbb Q$?