math mode - What is the latex code for the symbol "two colons and equals sign"? - TeX - LaTeX Stack Exchange
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How to write the equal or not equal symbol in LaTeX? 2023
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TeX and Typography on Twitter: "How to put "def" on top of an equal sign to denote equal-by-definition. \stackrel{\text{def}}{=} https://t.co/I5uFGh2bss" / Twitter