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 KASH3 Reference Manual
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Function

IsOne ( elt-fld^fin x ) -> elt-alg^boo

Description

True iff I is the identity ideal of its ring.

Examples

x_x := One(FiniteField(7));; IsOne(x_x);
x_gf7 := FiniteField(7);; x_e1 := Element(x_gf7,2); x_e2 := Element(x_gf7,4); IsOne(x_e1*x_e2);
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