def _sage_(self): import sage.all as sage return sage.abs_symbolic(self.args[0]._sage_())
def _sage_(self): import sage.all as sage return sage.abs_symbolic(self.args[0]._sage_())
def _sage_(self): import sage.all as sage return sage.abs_symbolic(self.args[0]._sage_())
def _sage_(self): import sage.all as sage return sage.abs_symbolic(self.args[0]._sage_())