What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: It is not late. It is windy if and only if Jennifer is a nurse. It is late or it is not windy.
It is not windy can be inferred via the disjunctive syllogism rule. If it is windy, then it is late can be inferred via the rewriting rule. If it is windy, then Jennifer is a nurse can be inferred via the biconditional elimination rule. If Jennifer were a nurse, then it is windy can be inferred via the biconditional elimination rule.