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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 …

  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. …

  3. notation - What does the math symbol $\propto$ mean?

    Aug 31, 2019 · Either \propto or \varpropto seems to give the correct symbol. TeX often uses "var" to indicate a variation of a symbol (for example \epsilon $\epsilon$ vs \varepsilon …

  4. 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.

  5. What does the symbol on Gaara's forehead mean? - Reddit

    I personally think that it's a symbol of his transition into a semi-delusional relationship with his "mother" (the sand). Only the sand loves him, so it wrote love, but the sand also hurts him, so …

  6. 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 …

  7. "Subset of above not equal to" $ \subsetneqq $ Symbol

    The Unicode name of $\subsetneqq$ is purely descriptive of what the symbol looks like: It is a “subset of” symbol ($\subset$) above a “not equal” symbol ($\neq$); hence the name is …

  8. Alt code for gd&t symbol : r/Metrology - Reddit

    Sep 26, 2022 · Like the title anybody know or have a list of alt code for gd&t symbol to use in excel ?

  9. What is the symbol to refer to the set of whole numbers

    Even though there appears to be some confusion as to exactly What are the "whole numbers"?, my question is what is the symbol to represent the set $0, 1, 2, \ldots $.

  10. Yellowjackets Explained: The Mystery of the Symbol and How the …

    There is a common thread running through many of the mysteries and hints in the series—the mysterious symbol, (alleged) astronomical symbols, cannibalism, and the sign of the bird and …