(expr, assumptions)
return True
Objects are expected to be commutative unless otherwise stated
Objects are expected to be commutative unless otherwise stated
Objects are expected to be commutative unless otherwise stated
def Symbol(expr, assumptions):
        """Objects are expected to be commutative unless otherwise stated"""
        assumps = conjuncts(assumptions)
        if Q.commutative(expr) in assumps:
            return True
        elif ~Q.commutative(expr) in assumps:
            return False
        return True
def Symbol ( expr , assumptions ) : assumps = conjuncts ( assumptions ) if Q . commutative ( expr ) in assumps : return True elif ~ Q . commutative ( expr ) in assumps : return False return True