> Which is not 3 ('q-3' does not return 0), although it can be
> retract to AlgebraicNumber ('retract(q)-3' returns 0), I consider
> this is a bug.
Yes, this must be a bug. Obviously simplifying again gives you the 3.
(1) -> a := 3^(1/2)*3^(1/3)*3^(1/6)
+-+3+-+6+-+
(1) \|3 \|3 \|3
Type:
AlgebraicNumber
(2) -> b := simplify a
1+-+
(2) \|3
Type:
Expression(Integer)
(3) -> simplify b
(3) 3
Type:
Expression(Integer)
Ralf
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