1 | initial version |
Hi,
Never believe the symbolic ring as it can answer False when the result is True (hopefully a True is really True). To get the answer to your question, you would better do:
sage: QQbar(5).sqrt() in AA
True
Note: QQbar is the set of algebraic number and AA is the set of real algebraic numbers.
Vincent
2 | No.2 Revision |
Hi,
Never believe the symbolic ring as it can answer False when the result is True (hopefully a True is really real True). To get the answer to your question, you would better do:
sage: QQbar(5).sqrt() in AA
True
Note: QQbar is the set of algebraic number and AA is the set of real algebraic numbers.
Vincent