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: For all x, x is curious if and only if x is bored. Joseph is curious if and only if James is a lawyer. For all x, x is not bored.
If Joseph were curious, then James is a lawyer can be inferred via the biconditional elimination rule. If James were a lawyer, then Joseph is curious can be inferred via the biconditional elimination rule. For all x, if x were curious, then x is bored can be inferred via the universal biconditional elimination rule. For all x, if x were bored, then x is curious can be inferred via the universal biconditional elimination rule. For all x, x is not curious can be inferred via the universal biconditional elimination rule.