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KASH3 Reference Manual
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Function

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

Description

True iff I is the identity ideal of its ring.

Examples

x_gf7x:=PolynomialAlgebra(FiniteField(7));; x_gf7y:=PolynomialAlgebra(x_gf7x);; x_f:=x_gf7y.1^2+2;; x_F:=FunctionField(x_f);; x_x:=One(x_F); IsOne(x_x);
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