What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If James were bored, then Barbara is not a doctor. If James were bored, then William is a server. Barbara is a doctor. William is a server if and only if James is bored.
James is not bored. If William were a server, then James is bored. If James were bored, then William is a server.