Question: Why do I get this sequence returned from alias and what does it mean

alias(b = JacobiCN(sqrt(2)*sqrt(x), sqrt(2)*_Z/2)^2);
                          lessthan, b

I could not find an explanation on the help page.

I would have expected simply b as the return value.

A worksheet that generates the output


RootOf(JacobiCN(sqrt(2)*sqrt(x), (1/2)*sqrt(2)*_Z)^2*_Z^2+_Z^2-2)

RootOf(JacobiCN(2^(1/2)*x^(1/2), (1/2)*2^(1/2)*_Z)^2*_Z^2+_Z^2-2)


plot(RootOf(JacobiCN(2^(1/2)*x^(1/2), (1/2)*2^(1/2)*_Z)^2*_Z^2+_Z^2-2), x = 0 .. 5)


convert(JacobiCN(sqrt(2)*sqrt(x), (1/2)*sqrt(2)*_Z)^2, Elliptic_related)

1-JacobiSN(2^(1/2)*x^(1/2), (1/2)*2^(1/2)*_Z)^2


convert(RootOf(JacobiCN(2^(1/2)*x^(1/2), (1/2)*2^(1/2)*_Z)^2*_Z^2+_Z^2-2), Elliptic_related)

RootOf(JacobiSN(2^(1/2)*x^(1/2), (1/2)*2^(1/2)*_Z)^2*_Z^2-2*_Z^2+2)


alias(b = JacobiSN(sqrt(2)*sqrt(x), (1/2)*sqrt(2)*_Z))

lessthan, b




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