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 Jennifer were a musician, then Patricia is bored. Jennifer is a musician if and only if Joseph is a poet. If Patricia were bored, then Joseph is a poet.
If Jennifer were a musician, then Joseph is a poet can be inferred via the transitivity rule. If Jennifer were a musician, then Joseph is a poet can be inferred via the biconditional elimination rule. If Joseph were a poet, then Jennifer is a musician can be inferred via the biconditional elimination rule.