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~ on the US keyboard is in the same location as ¬ on the UK keyboard, and ~ is in ASCII. I have seen both in math books, but ~ is even used in some books which
by deanmen 11y ago
~ on the US keyboard is in the same location as ¬ on the UK keyboard, and ~ is in ASCII. I have seen both in math books, but ~ is even used in some books which were printed before computers.
- thaumasiotes 11y agoHmm, according to the wikipedia article on ~, it's the original negation symbol in logic, and "Modern use has been replacing the tilde with the negation symbol (¬) for this purpose, to avoid confusion with equivalence relations." I wonder when that started.