¬ not sign

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Character info

Character¬
UnicodeU+00AC
Korean name부정
Official namenot sign
CategoryMath symbol
HTML code¬
JavaScript"\u{00AC}"

Names and categories come from official Unicode 18.0.0 data. Korean names are ours. Unicode UnicodeData.txt 18.0.0 (Unicode License v3)

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More on typing by system in the keyboard guide.