L = lieAlgebra(gen,Signs => s)
This is an option to tell lieAlgebra to assign the given "signs" to the generators, which are either 0 (even) or 1 (odd). If the option is given the value 1, then all generators will be odd. The default value is that all generators are even. The signs affect the axioms of a Lie superalgebra, see LieAlgebra. Use sign to compute the sign of an arbitrary homogeneous Lie expression.
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