U+00AC "¬" Not Sign Unicode Character

U+00AC "¬" Not Sign is a logical symbol that represents logical negation or the complement operator in mathematics, often read as "not." Its shape resembles an angled dash or short, elevated horizontal line with a small vertical stroke descending from its right end, and it originates from earlier mathematical notation systems, including its use in propositional logic and Boolean algebra. In computing, this character is frequently employed in programming languages, formal logic, and digital circuit design to indicate the inversion of a truth value or bitwise NOT operation. The "¬" sign is distinct from the hyphen-minus or other similar characters and is encoded in Unicode's Latin-1 Supplement block, ensuring consistent representation across digital platforms for mathematical and technical writing.