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5 lines
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5 lines
384 B
Plaintext
In logics this arrow means that the expressions to the right and to the left from it are equal. The same purpose is served by this sign: [U:2261].
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In mathematics it's a relation, for instance, divisibility, equation, similarity, and perpendicularity.
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In chemistry there is a theory of resonance where this sign is also used to signify a shift from one molecule structure to another. |