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 KASH3 Reference Manual
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Function

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

Description

Determine whether `x' is the additive inverse element of the multiplicative neutral element and return `TRUE' in this case, `FALSE' otherwise.

Examples

x_gf5 := FiniteField(5);; IsMinusOne(-One(x_gf5));
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