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_12, x_12 is an electrician if and only if x_12 will go running. For all x_12, if x_12 were an electrician, then x_12 is running. If Jessica goes running, then Jessica is an electrician.
For all x_12, if x_12 were an electrician, then x_12 is running can be inferred via the universal biconditional elimination rule. For all x_12, if x_12 goes running, then x_12 is an electrician can be inferred via the universal biconditional elimination rule.