KASH3 Ref - IsOne

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| ### Function IsOne ( elt-ord^fun x ) -> elt-alg^boo ### Description True iff I is the identity ideal of its ring. ### Examples x_gf3:=FiniteField(3);; x_gf3x:=PolynomialAlgebra(x_gf3);; x_gf3xy:=PolynomialAlgebra(x_gf3x);; x_f:=x_gf3xy.1^2+1;; x_F:=FunctionField(x_f);; x_O:=MaximalOrderFinite(x_F);; x_x:=One(x_O); IsOne(x_x);
| Built: Mon Nov 14 21:12:39 UTC 2005 on mack