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 Joseph were bored, then Susan is an artist. Susan is an artist or it is not cloudy. Joseph is bored or it is cloudy. If Susan were an artist, then it is cloudy.
If Joseph were bored, then it is cloudy can be inferred via the transitivity rule. If it is cloudy, then Susan is an artist can be inferred via the rewriting rule.