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: Michael is not a writer. If it is windy, then John is a police officer. Michael is a writer or Linda is a sailor. It is windy.
John is a police officer can be inferred via the modus ponens rule. Linda is a sailor can be inferred via the disjunctive syllogism rule. Michael is not a writer and it is windy can be inferred via the conjunction rule. It is windy and Michael is not a writer can be inferred via the conjunction rule.