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| KASH3 Reference Manual

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### Function

Valuation ( elt-ord^num a, elt-ids^int/ord^num p ) -> elt-ord^rat

### Description

<shortdoc> The valuation of element a at the prime ideal p of O. </shortdoc>

### Examples

x_o := MaximalOrder(X^4+77); x_p := Decomposition(x_o,3)[1][1];Valuation(99+9*x_o.1,x_p);

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