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 cloudy or Patricia is a bartender. It is cloudy or Linda is writing a letter. If Linda writes a letter, then it is sunny. It is sunny or Patricia is not a bartender.
Linda is writing a letter or Patricia is a bartender can be inferred via the resolution rule. If Patricia were a bartender, then it is sunny can be inferred via the rewriting rule.