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: If Michael plays a game, then James is playing squash. If Sarah were a writer, then Michael is playing a game. If James plays squash, then it is sunny. If it is sunny, then Sarah is a writer.
If Michael plays a game, then it is sunny can be inferred via the transitivity rule. If Sarah were a writer, then James is playing squash can be inferred via the transitivity rule. If James plays squash, then Sarah is a writer can be inferred via the transitivity rule. If it is sunny, then Michael is playing a game can be inferred via the transitivity rule.