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| KASH3 Reference Manual
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| ### Function Norm ( elt-fld^fra a, rng R ) -> elt-rng ### Description The norm of a over R if given otherwise Subfield (Parent (a)); see also AbsoluteNorm. ### Examples x_nf := NumberField(X^19 - 4); Norm(x_nf.1, x_nf);
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