A basic implementation could be to quantify where a limited range applies to a smooth spectrum - as in temperature measurement for anti-lock brakes to function properly. Truth values are derived from the specific temperature - in accordance with a scheme for mapping graduated temperature values to a series of candidate quantities - these quantities can then be used to determine a separate function in accordance with the graduated value scheme.
In this image, cold, warm, and hot are identities mapped to a temperature scale. A point on that scale is represented by two "truth values" - one in each of the two nearest identities. As the temperature rises, its "truth value" in the cold category declines, while its "truth value" in the warmer category rises.
See also: Dynamic logic
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