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: There is at least one x for which if x were a server, then x is working. For all x, if x works, then x is bored.
There is at least one x for which if x were a server, then x is bored can be inferred via the existential transitivity rule.