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: It is windy if and only if James is curious. James is not curious. For all x_11, x_11 is a cashier.
If it is windy, then James is curious can be inferred via the biconditional elimination rule. If James were curious, then it is windy can be inferred via the biconditional elimination rule. It is not windy can be inferred via the biconditional elimination rule.