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> imo that's an ugly character, the "¬" symbol.
That symbol would be immediately understoood by countless mathematicians
all over the world whereas unexpected english words in the middle of an
expression would make formulae harder to understand even if English is
your spoken language, and perhaps unintelligible if it is not.
I suppose you don't like an upside down A for "for all" or a backwards E
for "there exists" either?
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