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 Jessica were a politician, then it is snowing. It is snowing if and only if Jessica is a politician. If Jessica were a politician, then it is cloudy.
If it snows, then Jessica is a politician can be inferred via the biconditional elimination rule. If Jessica were a politician, then it is snowing can be inferred via the biconditional elimination rule.