2018-10-05 19:51:55 +0200 | received badge | ● Student (source) |
2018-10-05 19:49:14 +0200 | asked a question | test value of symbolic expression's operator I need to define a boolean function is_pow that takes for argument a symbolic expression expr an that return True if and only if expr.operator is the builtin function pow. But I don'n know which the syntax to use: Of course doesn't work. Has someone the answer ? Thanks a lot. |