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 it is overcast, then it is cold. If it is cold, then Jessica is cooking. Elisabeth is bored or it is overcast. Jessica is cooking or Elisabeth is not bored.
If it is overcast, then Jessica is cooking can be inferred via the transitivity rule. If Elisabeth were bored, then Jessica is cooking can be inferred via the rewriting rule.