All Samples(1) | Call(1) | Derive(0) | Import(0)
src/s/y/sympy-polys-HEAD/sympy/simplify/cse_opts.py sympy-polys(Download)
def _eval_subs(self, old, new): if self==old: return new else: return self.__class__(*[s._eval_subs(old, new) for s in self.args ])