Cauchy principal value

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Cauchy principal value

[kō·shē ¦prin·sə·pəl ¦val·yü]
(mathematics)
Also known as principal value.
The Cauchy principal value of provided the limit exists.
If a function ƒ is bounded on an interval (a,b) except in the neighborhood of a point c, the Cauchy principal value of provided the limit exists.