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: Mary is not bored. Elisabeth is an electrician if and only if Mary is bored. Elisabeth is an electrician if and only if it is windy.
If Elisabeth were an electrician, then Mary is bored can be inferred via the biconditional elimination rule. If Elisabeth were an electrician, then it is windy can be inferred via the biconditional elimination rule. If Mary were bored, then Elisabeth is an electrician can be inferred via the biconditional elimination rule. If it is windy, then Elisabeth is an electrician can be inferred via the biconditional elimination rule. Elisabeth is not an electrician can be inferred via the biconditional elimination rule.