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 KASH3 Reference Manual
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Function

ColonIdeal ( elt-ids^fra/ord^num I, elt-ids^fra/ord^num J ) -> elt-ids^fra/ord^num

Description

The colon ideal (or ideal quotient) of I by J, consisting of the elements e such that e*a is in I for all a in J.

Examples

x_oq2:=MaximalOrder(X^2-2); x_i1 := 2/7*x_oq2; x_i2:=3/2*x_oq2; ColonIdeal(x_i1,x_i2);
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