In combinat/free_module.py, CombinatorialFreeModule, I find the doctest below.
Do we *really* want that 5/3 is not in CombinatorialFreeModule(QQ,["a", "b"])??? Martin def __contains__(self, x): """ TESTS:: sage: F = CombinatorialFreeModule(QQ,["a", "b"]) sage: G = CombinatorialFreeModule(ZZ,["a", "b"]) sage: F.monomial("a") in F True sage: G.monomial("a") in F False sage: "a" in F False sage: 5/3 in F False """ return parent(x) == self # is self? -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/f40095d1-e2a2-4f5e-998e-5690ead27678n%40googlegroups.com.