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 Linda were a carpenter, then Jennifer is playing tennis. Sarah is a sailor if and only if Susan is curious. Susan is not curious. Jennifer is playing tennis if and only if Sarah is a sailor.
If Sarah were a sailor, then Susan is curious can be inferred via the biconditional elimination rule. If Jennifer plays tennis, then Sarah is a sailor can be inferred via the biconditional elimination rule. If Susan were curious, then Sarah is a sailor can be inferred via the biconditional elimination rule. If Sarah were a sailor, then Jennifer is playing tennis can be inferred via the biconditional elimination rule. Sarah is not a sailor can be inferred via the biconditional elimination rule.