What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is sunny, then Patricia is a scientist. It is not snowing or Michael is a politician. Michael is a politician if and only if Patricia is a scientist. It is snowing or it is sunny.
It is sunny or Michael is a politician. If Michael were a politician, then Patricia is a scientist. If Patricia were a scientist, then Michael is a politician.