What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Michael is making tea if and only if Michael is poor. For all y, y is poor if and only if y will make tea.
If Michael makes tea, then Michael is poor. If Michael were poor, then Michael is making tea. For all y, if y were poor, then y is making tea. For all y, if y makes tea, then y is poor.