In mathematics and logic, the "sign relation" can refer to several concepts, depending on the context in which it is used. Here are a couple of interpretations: 1. **Sign of a Number**: In basic arithmetic and algebra, the sign of a number indicates whether it is positive, negative, or zero. For example, the sign relation between real numbers can be described as follows: - A number \( x > 0 \) has a positive sign.
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