Open utensil opened 4 years ago
See https://github.com/pygae/galgebra/issues/31#issuecomment-535826866 and https://github.com/sympy/sympy/issues/8365#issuecomment-61387644 .
I just realized that we have lost this since #487 .
See https://github.com/pygae/galgebra/issues/31#issuecomment-535826866 and https://github.com/sympy/sympy/issues/8365#issuecomment-61387644 .